Toro Greensmaster 3200 Service Manual page 119

3. Inspect backplate assembly (16) (Fig. 21).
A. Bearing needles must remain in bearing cage
and move freely. Verify that bearing height on the
numbered end meets the proper dimension (Fig.
23).
B. Check that the roll pin is tight and meets the
proper height in (Fig. 23).
C. Replace entire assembly as a unit.
4. Inspect camplate assembly (10) (Fig. 21). There
should be no signs of scoring on the piston shoe sur-
faces.
5. Inspect housing assembly (29) (Fig. 21).
A. Verify that bearing depth on the numbered end
meets the proper dimension (Fig. 24).
B. Bearing needles must move freely and remain in
their cage.
C. Examine the mutual contact surfaces on the spi-
der and spider pivot; both contact areas should be
smooth and free of wear.
Reassembly
1. Make sure all parts are clean. Lubricate all critical
moving parts and O–rings with clean hydraulic oil.
2. If necessary, press new bearing (3) into housing as-
sembly (29) to the proper dimension shown (Fig. 24).
3. Insert camplate (10) into the housing assembly (29).
4. On the short trunnion side of the camplate (10),
install bearing (8) with numbered side to the inside of the
pump. Install inner race (28) with the chamfer towards
the inside of the pump. Install washer (7), O–ring (27),
trunnion O–ring cover (26), and trunnion cover (25). Se-
cure trunnion cover with two screws (4), and torque
them from 36 to 48 in–lb (42 to 55 kg–cm).
5. On the long trunnion side of the camplate (10),
install bearing (8) with numbered side to the inside of the
pump. Install washer (7) and press shaft seal (6) into
place. Secure seal cover (5) with two screws (4), and
torque them from 36 to 48 in–lb (42 to 55 kg–cm).
6. Install retaining ring (30) towards the keyed end of
the shaft (2). Slide bearing race (31), thrust bearing (32),
second bearing race (31), and second retaining ring (30)
into place over the splined end of the shaft.
7. Position washer (33) and shaft seal (34) onto the
shaft (2) from the keyed end.
Greensmaster 3200/3200–D
0.070 to 0.080 in.
(1.78 to 2.03 mm)
BEARING
HEIGHT
FLANGE END OF HOUSING
0.062 to 0.078 in.
(1.57 to 1.98 mm)
BEARING
DEPTH
8. Install shaft (2) into the housing assembly (29) from
the flanged end. Press shaft seal (34) into position with
a seal driver. Install retaining ring (35) into the flanged
end of the housing assembly (29).
9. Reassemble rotating kit assembly (11) as follows
(Fig. 22):
A. Use following parts to reassemble piston block:
2 5/16 in. I.D.
1 5/16 in.
1 5/16 in. N.C. nut
B. Compress retainer and install into the spline of
the piston block.
C. Position the head end of pins towards the inside
of the block. Install the three pins into the special
grooves in the piston block.
D. Install a washer, spring, and second washer into
the piston block.
E. Place cap screw through one of the flat washers.
Insert cap screw through the center of the piston
block. Install second flat washer onto the capscrew
so the washer rests on the three pins. Screw nut
onto the cap screw.
Page 5 – 47
0.105 to 0.115 in.
(2.67 to 2.92 mm)
ROLL PIN
HEIGHT
Figure 23
NUMBERED END
Figure 24
15/16 in. O.D. flat washers
2–7/8 in. N.C. cap screw
Hydraulic System