Toro Greensmaster 3200 Service Manual page 118

B. Position the housing assembly (29) end of the
pump up and lower the shaft (2) through the hole in
the table or workbench. Allow rotating parts kit (11)
to rest on the table.
C. Remove rotating parts kit (11) by lifting away the
housing assembly (29) and shaft (2).
8. The rotating parts kit (11) can be disassembled as
follows (see Fig. 22):
A. Remove nine piston assemblies, spider, and spi-
der pivot from the piston block.
Be careful when removing the spring
from the piston block; the spring is highly
compressed. Safely compress the spring
before removing the retaining ring.
B. Use following parts to disassemble piston block:
2 5/16 in. I.D. 
1 5/16 in.  2–7/8 in. N.C. cap screw
1 5/16 in. N.C. nut
C. 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.
D. Compress spring by tightening the nut onto cap
screw. Remove retaining ring from the piston block.
E. Slide washer, spring, second washer, three pins,
and retainer from inside the piston block.
9. Remove retaining ring (35) from the bore on the
flange end of the housing assembly (29). Press the shaft
(2), shaft seal (34), and washer (33) from the housing
assembly.
10. Remove retaining ring (30), bearing race (31),
thrust bearing (32), second bearing race (31), and se-
cond retaining ring (30) from the shaft (2).
11. Remove screws (4), trunnion cover (25), trunnion
O–ring cover (26), O–ring (27), washer (7), inner race
(28), and thrust bearing (8) from the housing assembly.
Remove screws (4), seal cover (5), shaft seal (6), wash-
er (7), and bearing (8) from the other side of the housing.
12. Position camplate (10) to one side and remove from
the housing assembly (29).
Hydraulic System
CAUTION
15/16 in. O.D. flat washers
RETAINER
SPIDER
CAMPLATE END
1. Charge relief valve
Inspection
Use eye protection such as goggles when
using compressed air
1. Wash all parts in solvent. Dry parts with compressed
air.
2. Inspect rotating parts kit (Fig. 22).
A. Verify that piston O.D. finish shows no wear or
deep scratches. Piston shoes should fit snuggly
onto the ball end of the pistons. The shoe surface
that contacts the camplate should be smooth and
flat. Do not lap piston shoes.
B. The piston block surface that makes contact with
the valve plate should be smooth and free of deep
scratches. Do not lap piston shoes.
C. The bore areas of the piston block should be free
of scoring and contamination. Pistons should move
freely in the bore areas.
Rev. C
Page 5 – 46
VALVE PLATE END
WASHER
SPRING
WASHER
PINS
RETAINING RING
SPIDER PIVOT
PISTON ASSEMBLIES
Figure 22
Figure 23
2. Bleed–off valve
CAUTION
Greensmaster 3200/3200–D
PISTON BLOCK