
Section Contents
8.1
BEST BY FARR
TM
14 1/2" Closed Mouth Trailer-Mounted Bucking Unit
Technical Manual
A. OVERHAUL SAI Motor
The instructions contained in this section cover a complete disassembly and assembly of the
piston type fluid motor.
Drain all fluid from the motor and thoroughly clean the exterior surface. Prepare a clean, lint-
free surface on which to lay the internal parts of the motor.
1. STANDARD TOOLS
1. 7/32” Allen wrench
2. Arbor Press
3. Awl
4. 1-1/2” dia. steel ball
5. Bearing puller (Owatonna Tool Co.,MD-959 or equivalent)
6. Clean lintless cloths
7. Deburring tool (an old file with the cutting teeth ground off)
8. Machinist’s hammer
9. Soft hammer
10. Loctite stud lock (red)
11. Loctite oil seal retainer (purple)
12. Medium grit carborundum stone
13. Oil and grease
14. Snap ring pliers
15. Prick punch
16. Sharp razor blade
17. Scale (1/32” or 1/64” graduations)
18. Small screwdriver
19. Torque wrench
20. Vise with 6” minimum open spread
Hydraulic Motor Service Information
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