Service Manual

Reelmaster 6500-D/6700-DHydraulic System Page 4 - 64
Wheel Motor
1
2
3
4
5
6
7
8
9
10
16
17
18
19
11
12
13
14
15
4
5
Figure 36
1. Retaining Ring
2. Shaft Seal
3. Washer
4. Retaining Ring
5. Thrust Race
6. Thrust Bearing
7. Splined Drive Shaft
8. Screw
9. Backplate Assembly
10. O-ring
11. Speed Pickup Sensor
(RH wheel motor only)
12. Dowel Pin
13. Dowel Pin
14. Needle Bearing
15. Valve Plate
16. Rotating Kit
17. Camplate Insert
18. Housing
19. Needle Bearing
Cleanliness is extremely important when repairing
these motors. Work in a clean area. Before disconnect-
ing the lines, clean port area of motor. Disconnect hy-
draulic lines, removing motor assembly from vehicle
and plug ports. Thoroughly clean the outside of the mo-
tor. After c leaning, remove port plugs and drain oil.
Disassembly (Fig. 36)
1. Clamp the drive shaft end of the piston motor in a pro-
tected jaw vise with the cap screws up. Remove the six
cap screws (8) from the motor assembly.
2. Use a mallet and tap the backplate (9) to loosen and
remove from housing.
3. Remove valve plate (15) and O-ring (10) from back-
plate. It is not necessary to remove roll pins in backplate.
4. Remove motor from vise and remove rotating assem-
bly (16) from motor housing.
5. Remove the camplate insert (17) from housing (18).
Use c aution not to mar the finish that makes contact with
pistons.
6. Remove retaining ring (1) from housing. Press shaft
(7) from housing (18) and remove shaft seal (2), and
washer (3).
7. Remove retaining ring (4) from shaft and remove
thrust washers (5) and thrust bearing (6).
8. Discard the shaft seals and o-ring, and replace with
new items upon reassembly.
Inspection
1. Check the condition of the needle bearing (14) in
backplate (10) and replace if necessary.