- Engine:
- G3516H (S/N: GLM1-UP; GLN1-UP)
- G3520H (S/N: GFP1-UP; GFR1-UP)
Introduction
This Special Instruction provides the procedure in order to install the prelubrication oil pump group for the above G3500 Engines.
Required Parts
Part Number     | Description     | Qty     |
---|---|---|
2B-0941     | Spacer     | 4     |
6V-8801     | Nut     | 4     |
8T-4896     | Hard Washer     | 8     |
8T-9101     | Bolt     | 4     |
8T-9377     | Bolt     | 4     |
308-3015     | Hose As     | 1     |
419-0732     | Hose As     | 1     |
456-4876     | Prelubrication Oil Pump Gp     | 1     |
Rework Procedure
Engines with the 365-5509 Base As and the 373-1502 Base As
- Drain the oil from the prelube system into a suitable container for reuse or disposal.
- Remove the 348-8398 Prelubrication Oil Pump Gp .
- Make a paper template of the 456-4876 Prelubrication Oil Pump Gp bolt pattern.
Illustration 1 | g03839105 |
(A) Reference hole (B) 127 mm (5 inch) (C) 139.7 mm (5.5 inch) (D) 11.11250 mm (0.4375 inch) |
- Use reference hole (A) and mark the other three holes on the rail per the paper template.
- Drill three 11.11250 mm (0.4375 inch) diameter holes into the rail.
- Attach pump (1) to the rail with four spacers (2), four bolts (3), eight washers (4), and four nuts (5) .
Illustration 2 | g03839062 |
(1) 456-4876 Prelubrication Oil Pump Gp (2) 2B-0941 Spacer (3) 8T-9101 Bolt (4) 8T-4896 Hard Washer (5) 6V-8801 Nut |
- Attach hose (6) to the top port of pump (1) and the oil pan.
Illustration 3 | g03839148 |
(1) 456-4876 Prelubrication Oil Pump Gp (6) 419-0732 Hose As (7) 308-3015 Hose As |
- Attach hose (7) to the bottom port of pump (1) and the check valve.
Engines with the 423-4765 Engine and Generator Base As
- Drain the oil from the prelube system into a suitable container for reuse or disposal.
- Remove the 348-8398 Prelubrication Oil Pump Gp .
- Make a paper template of the 456-4876 Prelubrication Oil Pump Gp bolt pattern.
Illustration 4 | g03839158 |
(A) Reference hole (B) 127 mm (5 inch) (C) 139.7 mm (5.5 inch) (D) 11.11250 mm (0.4375 inch) |
- Use reference hole (A) and mark the other three holes on the rail per the paper template.
- Drill three 11.11250 mm (0.4375 inch) diameter holes into the rail.
- Attach pump (1) to the rail with four spacers (2), four bolts (8), eight washers (4), and four nuts (5) .
Illustration 5 | g03839057 |
(1) 456-4876 Prelubrication Oil Pump Gp (2) 2B-0941 Spacer (4) 8T-4896 Hard Washer (5) 6V-8801 Nut (8) 8T-9377 Bolt (9) 397-7271 Hose As (10) 397-7272 Hose As |
- Attach the original hose (9) to the top port of pump (1) .
- Attach the original hose (10) to the bottom port of pump (1) .
Engines with the 377-4061 Base As
- Drain the oil from the prelube system into a suitable container for reuse or disposal.
- Remove the 348-8398 Prelubrication Oil Pump Gp .
- Make a paper template of the 456-4876 Prelubrication Oil Pump Gp bolt pattern.
Illustration 6 | g03839105 |
(A) Reference hole (B) 127 mm (5 inch) (C) 139.7 mm (5.5 inch) (D) 11.11250 mm (0.4375 inch) |
- Use reference hole (A) and mark the other three holes on the rail per the paper template.
- Drill three 11.11250 mm (0.4375 inch) diameter holes into the rail.
- Attach pump (1) to the rail with four spacers (2), four bolts (3), eight washers (4), and four nuts (5) .
Illustration 7 | g03839062 |
(1) 456-4876 Prelubrication Oil Pump Gp (2) 2B-0941 Spacer (3) 8T-9101 Bolt (4) 8T-4896 Hard Washer (5) 6V-8801 Nut |
- Attach the original hose (9) to the top port of pump (1) .
Illustration 8 | g03839073 |
(1) 456-4876 Prelubrication Oil Pump Gp (9) 397-7271 Hose As (10) 397-7272 Hose As |
- Attach the original hose (10) to the bottom port of pump (1) .
Engines with the 391-5628 Engine and Generator Base As
- Drain the oil from the prelube system into a suitable container for reuse or disposal.
- Remove the 348-8398 Prelubrication Oil Pump Gp .
- Make a paper template of the 456-4876 Prelubrication Oil Pump Gp bolt pattern.
Illustration 9 | g03839325 |
- Use reference hole (A) and mark the other three holes on the rail per the paper template.
- Drill three 11.11250 mm (0.4375 inch) diameter holes into the rail.
- Attach pump (1) to the rail with four spacers (2), four bolts (3), eight washers (4), and four nuts (5) .
Illustration 10 | g03839319 |
(1) 456-4876 Prelubrication Oil Pump Gp (2) 2B-0941 Spacer (3) 8T-9101 Bolt (4) 8T-4896 Hard Washer (5) 6V-8801 Nut |
- Attach hose (6) to the top port of pump (1) and the oil pan.
Illustration 11 | g03839321 |
(1) 456-4876 Prelubrication Oil Pump Gp (6) 419-0732 Hose As (7) 308-3015 Hose As |
- Attach hose (7) to the bottom port of pump (1) and the check valve.