Replacement Part List
Table Of Contents
Drive 
6 3A3951C
8. Remove yoke (D) with the two yoke guide rods (C) 
from the drive housing.
9. Remove gear (A) from drive housing.
Assembly
1. Use applicator brush to spread entire contents of 
grease tube (included in kit) into gear teeth. Grease 
must be worked into roots of gear teeth to ensure 
long life. 
2. Carefully position new gear (A) in drive housing. 
Make certain motor drive gear meshes with new 
gear (A).
3. Install yoke (D) with slot (E) facing out for pump pis-
ton as shown.
4. Apply grease to yoke guide rods (C).
5. Install front cover (10) and cover screws (12). 
6. Install pump assembly and close easy access door. 
See Pressure Control Replacement page 9 
Assembly for details.
ti28560a
CD
A
10
E
NOTICE
If yoke guide rods (C) drop out of position during 
assembly, damage to cover will occur when cover is 
tightened. Always check position of guide rods before 
tightening cover.
Take care to not pinch wiring harness (10c) between 
pump drive housing and between front cover (10). To 
prevent wiring harness damage, use a needle-nose 
pliers to move harness.










