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5.2.4 Blade drive belt tension:
No adjustment necessary.
5.2.5 Hydro Drive Linkage Adjustment:
a) Adjust Speed Control Linkage and Neutral Safety Switch
1. Stop engine and wait for all moving parts to stop.
2. Move speed control lever (located on console) to the full forward position
and check orientation of tabs on the ends of the speed control crank. See
Figure 11. These tabs should be pointing straight down at the 6 o’clock
position or slightly forward. Adjust threaded yoke at the bottom of speed
control linkage until tabs are positioned correctly. See Figure 11.
3. Pull speed control lever back to neutral. Check that the neutral safety
switch actuating tab has depressed the plunger of the switch so that
there is about 5/16” between the tab and the switch. See Figure 11. If
necessary, move the switch fore and aft.
FIGURE 11
NEUTRAL SAFETY SWITCH ADJUSTMENT
b) Adjust Neutral Control Linkages
1. Raise the rear of the machine up onto jack stands high enough to raise
the drive wheels off of the ground.
2. Start the engine and move the throttle ahead to the full throttle position.
Place the neutral lock latches in the “forward” position as shown in
Figures 4 & 5 and move the speed control lever to the “mid-speed”
position.
Note: The park brake must be disengaged and the OPC levers must
be held down whenever the speed control lever is out of the neutral
position or the engine will kill.
3. Squeeze the respective drive lever until an increased resistance is felt;
this is where neutral should be.
For Standard Pistol Grip Models: Make sure you have not reached the
end of the neutral lock latch slot. If you have, shorten the drive lever
linkage.
If the wheel turns while holding the drive lever in neutral, the neutral
control linkages need to be adjusted. If wheels stop then go to step 7.