Toro Greensmaster 3420 TriFlex, Service Manual

Page: 109 / 360

Greensmaster 3320/3420 Hydraulic System Page 5 -- 55
Disassembly (Fig. 38)
1. Park machine on a level surface, engage the parking
brake, lower the cutting units and stop the engine. Re-
move key from the ignition switch.
CAUTION
The torsion spring (item 14) is under tension and
may cause personal injury during removal. Use
caution when removing the spring from the
pump neutral assembly.
2. Remove components from traction neutral assembly
as needed using Figure 38 as a guide.
Assembly (Fig. 38)
1. Install removed components to traction neutral as-
sembly using Figure 38 as a guide along with the follow-
ing:
CAUTION
The torsion spring (item 14) is under tension and
may cause personal injury during installation.
Use caution when installing the spring to the
pump neutral assembly.
A. If cable support (item 1) was removed from pump,
apply Loctite #242 (or equivalent) to threads of
screws that secure support to pump.
B. If plate (item 2) was removed from pump trunnion
shaft, make sure that both trunnion shaft and plate
bore are thoroughly cleaned before installing plate to
shaft. Secure plate to trunnion shaft with flat washer
(item 3) and cap screw (item 4). Torque cap screw
from 200 to 250 in--lb (23 to 28 N--m) .
C. If damper lever (item 16) was removed, apply an-
tiseize lubricant to post on pump lever (7) and shoul-
der of bolt (item 18) during assembly.
D. Make sure that ball bearing (item 12) on neutral
arm (item 11) is properly positioned in pump lever
(item 7) after assembly.
2. After traction neutral assembly has been installed,
make sure that the transmission is adjusted for the neu-
tral position so that the machine does not move or creep
when the traction pedal is in neutral.
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