Pto Control Lever Adjustment - HUSTLER 3700 Operator's Manual

WARNING: The oil will be hot. Use caution to pre-
vent skin coming in contact with hot oil.
2. Unscrew the oil filters and discard. Figure 4-24 & Figure
4-25
3. Coat the gasket on the new filters with a film of oil.
Screw the filters into place until the gasket contacts the
sealing surface, then tighten the filters approximately 3/4
of a turn by hand. Do not over tighten. Figure 4-24 &
Figure 4-25
4. Remove the filler plug and dipstick and fill with ISO
VG46 hydraulic oil.
5. The transmission is filled to the correct level when the oil
level is within the mark at the lower end of the dipstick.
Do not fill beyond the mark on the stick, as the
transmission will be overfilled.
6. Install the dipstick and filler plug.
7. Start the engine and check the hydraulic oil filter for
leaks.
8. Stop the engine and check the hydraulic oil level.
Replenish if necessary.
IMPORTANT: The transmission, front axle and hydraulic
system operate from a common oil sump. Special attention must
be given to keeping oil clean.
Drain plug
Figure 4-23
HST oil filter
Figure 4-24
Rear axle case and final reduction gear cases
Check the oil level every 100 hours.
1. Clean the area around the dipstick/filler plug to prevent
dirt from entering the rear axle housing. With the engine
off and the power unit standing level, check the oil level
REV F
Hydraulic oil filter
using the combined dipstick/filler plug. The oil is at the
correct level when it reads between the two marks on the
dipstick.
NOTE: Place the dipstick/filler plug into the oil inlet to
measure the oil level. Do not screw dipstick into housing
when checking oil level. Figure 4-26
2. If the level is low, add ISO VG46 hydraulic oil through
the filler hole. Do not fill above the dipstick full mark.
3. Reinstall the dipstick/filler plug.
Change the oil every 500 hours or annually.
1. With the oil at normal operating temperature, drain the oil
by removing the rear axle and final reduction gear case
drain plugs. Reinstall the plugs after the oil has drained.
Discard the oil. Figure 4-27 & Figure 4-28
2. Supply new ISO VG46 hydraulic oil into the fill hole
until oil level is between the two marks on the dipstick.
Figure 4-26
3. To fill the final reduction gear cases with new ISO VG46
hydraulic oil:
a. Remove the right and left rear wheels.
b. Oil supply plugs are located on the front side of the
right and left final reduction gear case. Remove the
plugs. Figure 4-29
c. Pour the hydraulic oil in the plug holes until the final
reduction gear cases are full
d. Re-install plugs.
Rear axle oil fill
& dipstick

PTO control lever adjustment

IMPORTANT: Any maintenance operation that requires the
removal of safety covers must be performed by a trained service
technician.
4-12
Figure 4-25
Figure 4-26
109627CE_0512