Chrysler 100, 115 and 140 HP Outboard Motors Service Manual, OB 3439, Page 202Get this manual
CAUTION Valve and pump parts go together one way only During next step, be careful to keep track of partsBRemove upper pump and valve body from lower pump and valve body by removing four (4) screws Figure 14CRemove idle gear, drive gear, two (2) poppets, three (3) springs and three (3) balls, washers
CAUTION
Wear safety glasses when using compressed airDDry partsECoat parts in clean hydraulic oil2Inspect and test motor parts as follows :
ATest armature for short, ground and balance by following tests in Section 4BInspect brushesClnspect bearing in head Figure 15Dlnspect ball bearing in armature shaft for wear
Figure 14Removing Upper from Lower Pump and Valve body
Inspection and Repair
CAUTION
An hydraulic system, such as the power trim unit, has close tolerances and must be absolutely clean to work right1Inspect valve and pump as follows:
Figure 15Inspecting Bearing, Head Assembly