Bench Test Procedure for Hydraulic Piston Pumps {5070} Caterpillar


Bench Test Procedure for Hydraulic Piston Pumps {5070}

Usage:

844 2KZ
Articulated Truck
725 (S/N: WWA1-UP; B1L1-UP; AFX1-UP)
730 (S/N: WWB1-UP; AGF1-UP; B1M1-UP)
735 (S/N: WWC1-UP; B1N1-UP; AWR1-UP)
735B (S/N: L4D1-UP; T4P1-UP; E4R1-UP)
740 (S/N: WWD1-UP; AXM1-UP; B1P1-UP; DTX1-UP)
740B (S/N: L4E1-UP; GLH1-UP; T4R1-UP; E4S1-UP)
Ejector Truck
730 EJECTOR (S/N: B1W1-UP)
740 EJECTOR (S/N: B1R1-UP; AZZ1-UP)
740B EJECTOR (S/N: L4F1-UP; T4S1-UP)
Excavator
345B (S/N: CFM1-UP; 6XS1-UP; 6MW1-UP; 8KW1-UP; 8RW1-UP; 9CW1-UP)
345B L (S/N: 4SS1-UP; 5WS1-UP; 9GS1-UP; 2NW1-UP; 2SW1-UP)
345B LC (S/N: BFG1-UP)
345B Series II (S/N: ALB1-UP; APB1-UP; ALD1-UP; AMD1-UP; AKJ1-UP; AMJ1-UP; AMN1-UP; AYR1-UP; AGS1-UP; DCW1-UP)
345B Series II L (S/N: CCC1-UP; CDJ1-UP; DET1-UP)
345B Series II LC (S/N: FEE1-UP)
Off Highway Truck
770 (S/N: M7W1-UP; BZZ1-UP)
770G (S/N: RMA1-UP; TWA1-UP; RMD1-UP; KDH1-UP; ECM1-UP; ECX1-UP)
772 (S/N: RGK1-UP; J2M1-UP)
772G (S/N: TWB1-UP; RME1-UP; RMH1-UP; LTS1-UP; KEX1-UP; LTX1-UP)
773E (S/N: PRB1-UP; KEG1-UP; ASK1-UP; DJS1-UP)
773F (S/N: EED1-UP; EXD1-UP)
773G (S/N: G731-UP; G771-UP; MWH1-UP; JWS1-UP; T5S1-UP; T5T1-UP)
775F (S/N: EYG1-UP; DLS1-UP)
775G (S/N: T5F1-UP; RFM1-UP; MJS1-UP; T5W1-UP)
777E (S/N: KDP1-UP)
777F (S/N: WTK1-UP; JRP1-UP; JXP1-UP)
777G (S/N: GT71-UP; T5A1-UP; TNM1-UP; RDR1-UP; T4Y1-UP)
Power Train
OEM POWERTRAIN (S/N: DTE1-UP)
Quarry Truck
769D (S/N: 5TR1-UP)
771D (S/N: BCA1-UP; 6JR1-UP; 6YS1-UP)
772 (S/N: RLB1-UP)
773D (S/N: NBJ1-UP)
775D (S/N: 8AS1-UP)
777D (S/N: FKR1-UP)
Tractor
776D (S/N: AFS1-UP)
Truck
69D (S/N: 9XS1-UP)
73D (S/N: 9YS1-UP)
769D (S/N: BBB1-UP; 5SS1-UP)
773D (S/N: BGL1-UP; 7ER1-UP; 7CS1-UP)
773E (S/N: BDA1-UP)
775D (S/N: 6KR1-UP)
775E (S/N: BEC1-UP)
777D (S/N: AGC1-UP)
777D HAA (S/N: AGY1-UP)
Wheel Dozer
844 (S/N: BBN1-UP; 2KZ1-UP)
854K (S/N: H9K1-UP; H8M1-UP)
Wheel Loader
990 Series II (S/N: BCR1-UP; 4FR1-UP)
Wheeled Excavator
W345B Series II MH (S/N: ANJ1-UP)

Introduction

Table 1
Revision  Summary of Changes in REHS3585 
01  Added new Off-Highway Truck serial number prefix DJS to document. 
00  New Document 

© 2016 Caterpillar All Right Reserved. This guideline is for the use of Caterpillar Dealers only. Unauthorized use of this document or the proprietary processes therein without permission may be violation of intellectual property law. Information contained in this document is considered Caterpillar: Confidential Yellow.

This Special Instruction includes test procedures for piston pumps. This Special Instruction also provides specifications. The technician should have a good understanding of hydraulic piston pumps. The technician should be educated in the operation of the hydraulic test bench. The test benches in this document are available through the Caterpillar Service Tool Division. Gather all necessary tooling before you need to hook up the pump. Some of the required tooling appears in a table at the end of this document. There are many possible variations of tooling that could be used. Not every possible variation can be listed.

For questions or additional information concerning this guideline, submit a feedback form in the Service Information System website. To address an urgent need, use the following to relay your request to Caterpillar Repair Process Engineering:

  • Cat Dealer Technical Communicator

  • Dealer Solution Network

  • Cat Technical Representative

  • Knowledge Network (online)

Canceled Part Numbers and Replaced Part Numbers

This document may not include all Canceled part numbers and replaced part numbers. Use NPR on SIS for information about Canceled part numbers and replaced part numbers. NPR will provide the current part numbers for replaced parts.

Safety



Illustration 1g02139237

------ WARNING! ------

Personal injury or death can result from improperly checking for a leak.

Always use a board or cardboard when checking for a leak. Escaping air or fluid under pressure, even a pin-hole size leak, can penetrate body tissue causing serious injury, and possible death.

If fluid is injected into your skin, it must be treated immediately by a doctor familiar with this type of injury.


------ WARNING! ------

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin.


------ WARNING! ------

Pump test pressures in this guideline may exceed the normal operating range of the hydraulic test hoses utilized when connecting the tested pump to the test bench. However, the order of magnitude of these pressures is significantly below the burst strength of the Caterpillar "XT6" product.

High pressure oil can escape through improperly assembled hoses and fittings. High pressure oil can also escape through poorly maintained hoses and fittings. High pressure oil may also leak through hose that has become damaged over the life of the hose due to the pressure levels that occur during test bench operation.

Personal injury or death can result from improper hose & fitting inspection or improper hose replacement procedures. Escaping fluid under pressure can penetrate body tissue causing serious injury, and possible death.

Thoroughly inspect all testing hoses, fittings, and quick disconnects prior to any testing operation. Check the assembly date tag or hose assembly log date for a hose life indicator. Replace all Test Bench hoses at a minimum of every 2 years or earlier if the hose or fittings appear to be damaged.


Summary

This procedure is specific to the type of pump and the type of control. Refer to the test specifications and the tooling at the end of this document.

Note: A paper copy of this document may not be the latest version. Go to the Service Information System (SIS) to view the latest version.

References

Table 2
References 
Media Number  Title 
REHS1761  "Required Tooling for Bench Testing Hydraulic Components" 
SEBF8810  "Hydraulic Pump, Motor, and Cylinder Bench Test Procedure Reference Manual" 
SEHS8892  "Operating Instructions for Caterpillar 1U-9400 Series Hydraulic Test Center" 
NEHS0563  "Tool Operating Manual for 9U-5000 Series Hydraulic Test Bench" 

Connections for the Caterpillar Hydraulic Test Center



Illustration 2g01037439
Connections for the test center
(1) Flow control for discharge
(2) "F3" flow meter inlet
(3) "F4" flow meter inlet
(4) Oil supply from the auxiliary pump
(5) "F3" inlet for the flow meter with flow limiter
(6) "F3"outlet for the flow meter with pressure control
(7) Load sensing pressure
(8) Signal pressure
(9) "F4" outlet for the flow meter
(10) Return to tank
(11) Connections for case drain
(12) Oil supply


Illustration 3g01037451
Control and Gauges for the Test Center
(13) Meter for speed and torque
(14) Gauge for signal pressure
(15) Control for signal pressure
(16) Pressure gauge for auxiliary pump
(17) Auxiliary pump flow
(18) "F3" discharge pressure gauge
(19) "F3" discharge flow
(20) "F4" discharge pressure gauge
(21) "F4" discharge flow
(22) Auxiliary pump flow control
(23) "F3" margin pressure
(24) "F3" load control for discharge pressure
(25) "F4" load control for discharge pressure

Connections for the Caterpillar Hydraulic Test Bench



Illustration 4g01063314
Connections for the test bench
(26) Flow meter 1 loop and flow meter 2 loop
(27) Oil supply


Illustration 5g01063315
Connections for the test bench
(28) Flow meter 2 loop
(29) Flow meter 1 loop
(30) Flow meter 2 outlet
(31) Signal pressure line
(32) Flow meter 2 inlet
(33) Auxiliary pump oil supply
(34) "Flow meter 1" outlet
(35) "Flow meter 1" inlet


Illustration 6g01046207
Control and gauges for the test bench
(36) Auxiliary pump pressure
(37) Signal pressure
(38) Control for signal pressure
(39) Flow meter 1 discharge pressure
(40) Control for auxiliary pump pressure
(41) Flow meter 2 discharge pressure
(42) Auxiliary pump flow control
(43) Flow meter 2 discharge flow
(44) Discharge flow for auxiliary pump
(45) Flow meter 1 discharge flow
(46) Flow meter 1 load control
(47) Speed and direction control
(48) Flow meter 2 load control

Port Locations



Illustration 7g03871342
Port locations and adjustments
(49) Case drain port
(50) Pressure port for load sensing
(51) Adjustment screw for margin pressure
(52) Adjustment screw for high-pressure cut
(53) Discharge port
(54) Suction port


Illustration 8g03871343
Port locations and adjustments
(49) Case drain port
(50) Pressure port for load sensing
(51) Adjustment screw for margin pressure
(52) Adjustment screw for high-pressure cut
(53) Discharge port
(54) Suction port


Illustration 9g03871502
Hydraulic schematic
(49) Case drain port
(50) Pressure port for load sensing
(51) Adjustment screw for margin pressure
(52) Adjustment screw for high-pressure cut
(53) Discharge port
(54) Suction port

Remote Control Pressure Relief Valve



Illustration 10g03871520
(55) 8T-0859 Pressure Gauge
(56) 8F-0024 Hose Assembly
(57) 5P-3501 Adapter
(58) 5P-6944 Straight Thread Adapter
(59) 120-9181 Valve Body
(60) 231-1286 Pressure Relief Valve
(61) 2D-7325 Pipe Tee

Pump Setup

  1. Connect the suction port (54) to the reservoir on the test bench.

  2. Connect a 1 inch high pressure "XT6" hose from the pump discharge port (53) to the flow meter inlet on the test bench.

  3. Connect a 1 inch high-pressure hose from the flow meter outlet on the test bench back to the tank.

  4. Connect a case drain port (49) back to the tank.

  5. Connect the pressure relief valve (60) to the valve body (59). Connect the valve body (59) to the straight thread adapter (58). Connect the straight thread adapter (57) to the adapter (57). Connect the adapter (58) to the pipe tee (61). Connect a pressure gauge (55) to the pipe tee (61). Connect a hose assembly (56) to the pipe tee (61). Do not connect the pressure relief valve assembly to the pump until specified.

  6. Purge all air from the suction line. Loosen the suction hose at the pump until oil leaks from the connection. Tighten the suction hose.

  7. Fill the pump case with oil before rotating. Pour oil directly into a case drain port until the case is full.

  8. Do not rotate the pump in the wrong direction. The correct direction of rotation will be stated on the pump or in the test specifications. The direction of rotation is viewed from the input shaft end. Visually check the pump for proper rotation.

Test Procedure

Note: The steps in the procedure correlate with the steps in the test specification tables according to your specific part number.

The hydraulic oil in the test bench should meet an ISO rating of 16/13. The oil in the test bench should be one of the following.

  • SAE 10W at 50 °C (122 °F) or

  • Mobil DTE-11 at 46 °C (115 °F)


Illustration 11g01270927
Solid line Pressure Relief Valve set at discharge pressure minus margin pressure.
Dotted line Pressure Relief Valve set below discharge pressure minus margin pressure.

  1. Start rotating the pump according to the RPM in Step 1 of the test specifications. Listen for abnormal noise. Verify flow from the pump. Verify that all connections are tight. Check for leaks around shaft seals. Check for leaks around the control valve.

    Run the pump for at least 5 minutes in order to raise the temperature of the oil and purge the system of air.

  2. Slowly adjust the input RPM to the value in Step 2 of the test specifications. If the actual flow is less than the value in Step 2 of the test specifications, the pump may not be mechanically feasible. The pump should be internally inspected.

  3. Connect the Hose Assembly (56) to the Pressure port for load sensing (50) on the pump. Connect the Pressure Relief Valve (60) back to the tank.

    Rotate the pump to the value in step 3 of the test specifications. Turn the Pressure Relief Valve (60) set screw clockwise until it is all the way in. Load the pump to the value for step 3 in the test specifications. Turn the Pressure Relief Valve (60) set screw counterclockwise until the discharge flow begins to drop. Read the Pressure Gauge (55). Adjust the Adjustment screw for margin pressure (51) until the Pressure Gauge (55) reads the value of the “Pressure Relief Valve Pressure” in step 3 of the test specifications.

  4. Disconnect the Hose Assembly (56). Rotate the pump to the value in Step 4 of the test specifications. Increase the pump discharge pressure to the value in Step 4 of the test specifications. Compare the actual values from the case drain with the values in Step 4 of the test specifications. This value is an indication of the efficiency. If the case drain is more than the value given in Step 4 of the test specification, the pump may not be mechanically feasible. The pump should be internally inspected.

  5. Increase the pump discharge pressure to the value in Step 5 of the test specifications. Turn the adjustment screw for the high-pressure cut until the actual high-pressure cut value is equal to the value in Step 5 of the test specifications. The discharge flow should be near zero when the high-pressure cut is reached.

------ WARNING! ------

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin.


Reduce RPM and all pressures to zero. Remove the component from the test bench. Drain the oil from the pump. Plug all of the ports.

Test Specifications

Table 3
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow Liter per minute (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
126-2096  CW  1000  17.4 (4.6)       
2 2280 39.9 (10.5)       
3 2280 19240 (2790)  34 (9)    17280 (2506)  1960 (284) 
4 1500 24750 (3590)  26.5 (7)  3.8 (1)     
5 1500 27500 (3989)       

Table 4
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow Liter per minute (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
147-5804  CW  1000  17 (5)       
2 2280 39 (10)       
3 2280 19240 (2790)  35 (9)    17280 (2506)  1960 (284) 
4 1500 24750 (3590)  26 (7)  3 (1)     
5 1500 27500 (3989)       

Table 5
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
150-5764  CW  1000  17 (5)       
2 2280 39 (10)       
3 2280 19240 (2790)  35 (9)    17280 (2506)  1960 (284) 
4 1500 24750 (3590)  26 (7)  3 (1)     
5 1500 27500 (3989)       

Table 6
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
150-5883  CW  1000  17 (5)       
2 2280 39 (10)       
3 2280 19240 (2790)  35 (9)    17280 (2506)  1960 (284) 
4 1500 24750 (3590)  26 (7)  3 (1)     
5 1500 27500 (3989)       

Table 7
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
155-9248  CW  1000  17 (5)       
2 2280 39 (10)       
3 2280 19240 (2790)  35 (9)    17280 (2506)  1960 (284) 
4 1500 24750 (3590)  26 (7)  3 (1)     
5 1500 27500 (3989)       

Table 8
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
167-8108  CW  1000  110 (29)       
2 2000 220 (58)       
3 2000 15030 (2180)  217 (57)    12961 (1880)  2069 (300) 
4 1500 21100 (3060)  165 (44)  11 (3)     
5 1500 23445 (3400)       

Table 9
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
194-1486  CW  1000  74 (20)       
2 2000 148 (39)       
3 2000 15030 (2180)  144 (38)    12030 (1745)  3000±100 (435±15) 
4 1500 21150±350 (3068±51)  111 (29)  6 (2)     
5 1500 23500±350 (3408±51)       

Table 10
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
194-6800  CCW  1000  71 (19)       
2 1500 106 (28)       
3 1500 7420 (1076)  103 (27)    5320 (772)  2100±100 (305±15) 
4 1500 9540±315 (1384±46)  106 (28)  6 (2)     
5 1500 10600±350 (1537±51)       

Table 11
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
196-7765  CCW  1000  100 (26)       
2 2155 216 (57)       
3 2155 10000 (1450)  212 (56)    7900 (1146)  2100±100 (305±15) 
4 1500 12060±315 (1749±46)  150 (40)  9 (2)     
5 1500 13400±350 (1944±51)       

Table 12
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
207-7548  CCW  1000  74 (20)       
2 1800 133 (35)       
3 1800 15030 (2180)  130 (34)    12030 (1745)  3000±100 (435±15) 
4 1500 19080±315 (2767±46)  111 (29)  6 (2)     
5 1500 21200±350 (3075±51)       

Table 13
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
219-1964  CW  1000  74 (20)       
2 2000 148 (39)       
3 2000 14840 (2152)  144 (38)    11840 (1717)  3000±100 (435±15) 
4 1500 19080±315 (2767±46)  111 (29)  6 (1)     
5 1500 21200±350 (3075±51)       

Table 14
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
219-1965  CCW  1000  110 (29)       
2 2000 220 (58)       
3 2000 14840 (2152)  216 (57)    12771 (1852)  2069 (300) 
4 1500 19080±315 (2767±46)  165 (44)  11 (3)     
5 1500 21200±350 (3075±51)       

Table 15
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
224-4430  CW  1000  71 (19)       
2 1500 106 (28)       
3 1500 14490 (2102)  103 (27)    13090 (1899)  1400±100 (203±15) 
4 1500 18630±315 (2702±46)  106 (28)  6 (2)     
5 1500 20700±350 (3002±51)       

Table 16
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
224-4431  CW  1000  100 (26)       
2 1500 150 (40)       
3 1500 15400 (2234)  147 (39)    13800 (2002)  1600±100 (232±15) 
4 1500 19800±315 (2872±46)  150 (40)  9 (2)     
5 1500 22000±350 (3191±51)       

Table 17
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
224-4432  CCW  1000  100 (26)       
2 1500 150 (40)       
3 1500 15400 (2234)  147 (39)    13800 (2002)  1600±100 (232±15) 
4 1500 19800±315 (2872±46)  150 (40)  9 (2)     
5 1500 22000±350 (3190±51)       

Table 18
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
233-4152  CW  1000  17 (5)       
2 2280 39 (10)       
3 2280 19240 (2790)  35 (9)    17280 (2506)  1960 (284) 
4 1500 24750 (3590)  26 (7)  3 (1)     
5 1500 27500 (3989)       

Table 19
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
261-5630  CCW  1000  110 (29)       
2 2000 220 (58)       
3 2000 14840 (2152)  217 (57)    12771 (1852)  2069 (300) 
4 1500 19080±315 (2767±46)  165 (44)  11 (3)     
5 1500 21200±350 (3075±51)       

Table 20
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
318-2595  CW  1000  74 (20)       
2 2000 148 (39)       
3 2000 14840 (2152)  144 (38)    11840 (1717)  3000±100 (435±15) 
4 1500 19080±315 (2767±46)  111 (29)  6 (1)     
5 1500 21200±350 (3075±51)       

Table 21
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Pressure Relief Valve Pressure kPa (psi)  Margin Pressure kPa (psi) 
346-4095  CCW  1000  100 (26)       
2 1500 150 (40)       
3 1500 15400 (2234)  147 (39)    13800 (2002)  1600±100 (232±15) 
4 1500 19800±315 (2872±46)  150 (40)  9 (2)     
5 1500 22000±350 (3190±51)       

Table 22
Part Number  Pump Rotation   
348-7627  CW  This is a tandem pump made of 318-2595 (See this document) and 345-9779 (See REHS 1448). 

Test Bench Tooling

Table 23
Tooling 
Part Number  Adapter Plate  Drive Adapter  Suction Adapter  Split Flange  Flange Adapter  Pilot Pressure Port  Case Drain Port 
126-2096  1U-9127  1U-9846  1U-9869  1P-4576  9U-7443  7/16-20 STOR  3/4-16 STOR 
147-5804  1U-9127  1U-9834  1U-9869  1P-4576  9U-7443  7/16-20 STOR  3/4-16 STOR 
150-5764  1U-9127  1U-9834  1U-9869  1P-4576  9U-7443  7/16-20 STOR  3/4-16 STOR 
150-5883  1U-9127  1U-9834  1U-9869  1P-4576  9U-7443  7/16-20 STOR  3/4-16 STOR 
155-9248  1U-9127  1U-9834  1U-9869  1P-4578  9U-7445  7/16-20 STOR  3/4-16 STOR 
167-8108  1U-9128  1U-9834  1U-9873  1P-4577  9U-7444  7/16-20 STOR  1 1/16-12 STOR 
194-1486  1U-9128  1U-9834  1U-9873  1P-4577  9U-7444  7/16-20 STOR  7/8-14 STOR 
194-6800  1U-9128  1U-9834  1U-9873  1P-4577  9U-7444  7/16-20 STOR  7/8-14 STOR 
196-7765  1U-9128  1U-9834  1U-9874  1P-5767  9U-7440  M14 X 1.5  M27 X 2 
207-7548  1U-9128  1U-9834  1U-9873  1P-4577  9U-7444  7/16-20 STOR  7/8-14 STOR 
219-1964  1U-9128  1U-9834  1U-9873  1P-4577  9U-7444  7/16-20 STOR  7/8-14 STOR 
219-1965  1U-9128  1U-9834  1U-9873  1P-4577  9U-7444  7/16-20 STOR  1 1/16-12 STOR 
224-4430  1U-9128  1U-9834  1U-9873  1P-4577  9U-7444  7/16-20 STOR  7/8-14 STOR 
224-4431  1U-9128  1U-9834  1U-9874  1P-4578  9U-7445  7/16-20 STOR  1 1/16-12 STOR 
224-4432  1U-9128  1U-9834  1U-9874  1P-4578  9U-7445  7/16-20 STOR  1 1/16-12 STOR 
233-4152  1U-9127  1U-9846  1U-9869  1P-4576  9U-7443  7/16-20 STOR  3/4-16 STOR 
261-5630  1U-9128  1U-9834  1U-9873  1P-4577  9U-7444  7/16-20 STOR  1 1/16-12 STOR 
318-2595  1U-9128  1U-9834  1U-9873  1P-4577  9U-7444  7/16-20 STOR  7/8-14 STOR 
346-4095  1U-9127  1U-9833  1U-9870  1P-4577  9U-7444  7/16-20 STOR  7/8-14 STOR 
348-7627  This is a tandem pump made of 318-2595 (See this document) and 345-9779 (See REHS 1448). 

Caterpillar Information System:

C7.1 Marine Engine Oil Pressure Is Low
2015/09/04 Improved Crankshaft Rear Seals Are Used on Certain C13 Commercial Engines {1161}
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