3406C GENERATOR SET ENGINE ATTACHMENTS Caterpillar


Starting Motors

Usage:

Air

(1) Tighten the bolts in steps to a torque of ... 47 ± 9 N·m (35 ± 7 lb ft)

(2) Tighten the bolts in steps to a torque of ... 12 ± 3 N·m (9 ± 2 lb ft)

Pressure Regulating Valve For Air Starting Motor

(1) Adjusting bolt.

(2) Inlet pressure ... 1725 kPa (250 psi)

Maximum permissible pressure ... 3100 kPa (450 psi)

(3) Outlet pressure ... 620 to 760 kPa (90 to 110 psi)

Electric

9X4452

Rotation-viewed from drive end ... clockwise

No load conditions at 25°C (77°F):

Speed ... 3300 rpm minimum

Current draw ... 80A maximum

Voltage ... 24V

(1) Torque for 1/2 - 13 terminal nuts ... 27 to 34 N·m (20 to 25 lb ft)

(2) Torque for 10 - 32 terminal nuts ... 2.25 ± .25 N·m (19.912 ± 2.212 lb in)

(3) Tighten nut to a torque of ... 17.5 ± 2.5 N·m (12.87 ± 1.84 lb ft)

(4) Tighten nut to a torque of ... 1.5 ± 0.4 N·m (13.27 ± 3.54 lb in)

Solenoid

Current consumption (draw) at 25°C (77°F):

Pull-in current at 24V ... 103A

Hold-in current at 24V ... 19A

8C3644, 8C3649

Rotation as seen from drive end ... Clockwise

No load conditions at 25°C (77°F):

Speed (rpm) ... 5500 to 8000

Current (amps) ... 50 to 85A

Voltage ... 20.0V

(1) Torque for terminal nuts ... 30 ± 3 N·m (22 ± 2 lb ft)

(2) Torque for screws holding nose housing to lever housing ... 20 ± 2 N·m (177 ± 18 lb in)

Clearance between pinion and housing pinion clearance) ... 8.3 to 9.9 mm (.33 to .39 in)

7T0794, 7T0795

Rotation as seen from drive end ... Clockwise

No load conditions at 25°C (77°F):

Speed (rpm) ... 5500 minimum

Current (amps) ... 140A maximum

Voltage ... 24.0V

(1) Intermediate housing.

(2) Bracket.

(3) Torque for small solenoid terminal nut ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(4) Torque for large terminal nuts ... 30 ± 3 N·m (265.5 ± 26.5 lb in)

(5) Bolt. Tighten to a torque ... 8.5 ± 1.5 N·m (75 ± 13 lb in)

The pinion clearance is correct when the solenoid position dimension (X) is 62.50 + 0.20 - 0.50 mm (2.461 + .008 - .020 in) from intermediate housing (1). The following procedure is used to adjust the solenoid position:

a. Loosen bolts (5) and move the solenoid until distance (X) is correct. Bracket (2) has elongated holes.

b. Tighten bolts (5) after the adjustments is correct to a torque of ... 8.5 ± 1.5 N·m (75 ± 13 lb in)

Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.