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Centinel System – Repair Manual – 013-020   Starting Motor

Preparatory Steps

 TOC

All Applications


 WARNING 

Batteries can emit explosive gases. To reduce the possibility of personal injury, always ventilate the compartment before servicing the batteries. To reduce the possibility of arcing, remove the negative (-) battery cable first and attach the negative (-) battery cable last.
  • Remove the electrical connections from the batteries.
  • Remove the electrical connections from the starting motor.

SMALL | MEDIUM | LARGE

Remove

 TOC

All Except 50MT With Aluminum Flywheel Housing


Remove the three capscrews, starting motor, and starting motor spacer (if used).

SMALL | MEDIUM | LARGE
   

50MT With Aluminum Flywheel Housing


Remove the three mounting capscrews, starting motor, and starting motor spacer (if used), as well as the necessary starting motor brackets.

SMALL | MEDIUM | LARGE
   

Install

 TOC

All Except 50MT With Aluminum Flywheel Housing


 CAUTION 

Make sure to use the same thickness of starting motor spacer (if used) as the one removed to install the starting motor to reduce the possibility of engine or starting motor damage.

Install the starting motor, spacer (if applicable) and the three mounting capscrews.

Tighten the mounting capscrews.

5/8-11 x 1.75 in capscrew 140 n.m [103 ft-lb]
5/8-11 x 2.00 in capscrew 201 n.m [148 ft-lb]
39 MT Starters (Aluminum Flywheel Housing) 129 n.m [95 ft-lb]
39 MT Starters (Cast Iron Flywheel Housing) 163 n.m [120 ft-lb]

SMALL | MEDIUM | LARGE
   

50MT With Aluminum Flywheel Housing


 CAUTION 

Make sure to use the same thickness of starting motor spacer (if used) as the one removed to install the starting motor to reduce the possibility of engine or starting motor damage.

Install the starting motor, spacer (if applicable), and the three mounting capscrews.

Tighten the mounting capscrews.

5/8-11 x 1.75 in capscrew 140 n.m [103 ft-lb]
5/8-11 x 2.00 in capscrew 201 n.m [148 ft-lb]

SMALL | MEDIUM | LARGE
   


Assemble the upper bracket (1) to the block mounting stud and to the starter motor end bracket. Tighten capscrews and nuts finger tight.

Assemble the lower bracket (2) to the oil pan rail mounting stud and to the starter motor end bracket.

Tighten the capscrews and nuts finger tight.

Tighten all capscrews and nuts.

Torque Value:  3  n.m  [26 in-lb]

SMALL | MEDIUM | LARGE
   


Tighten all capscrews and nuts in the following sequence:

(1) 45 n.m [33 ft-lb]
(2) and (3) 23 n.m [17 ft-lb]
(4) and (5) 41 n.m [30 ft-lb]

SMALL | MEDIUM | LARGE
   

Finishing Steps

 TOC

All Applications


 WARNING 

Batteries can emit explosive gases. To reduce the possibility of personal injury, always ventilate the compartment before servicing the batteries. To reduce the possibility of arcing, remove the negative (-) battery cable first and attach the negative (-) battery cable last.
  • Install the electrical connections to the starting motor.
  • Install the electrical connections to the batteries.

SMALL | MEDIUM | LARGE
Last Modified:  26-Apr-2005
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