Bolens 138-784-401 - Manual (Page 16)

2. Unscrew the two screws holding the access cover
located in front of the seat.
3. Check the oil level in the reservoir/expansion tank.
See figure 17.
If it is necessary to add oil, unscrew the cap on the
reservoir/expansion tank and add oil through the
hole with a funnel. Do not overfill. See figure 18.
Reassemble parts.
If frequent additions are required, locate the leak and
correct. Inadequate supply of fluid may result n per­
manent internal damage.
4.
5.
FIGURE 18.
If contaminate is observed on the reservoir/expansion
tank screen, poor maintenance is indicated. Rrsmove
the reservoir/expansion tank, wash clean, dr/ and
reinstall. If the screen is pierced, the reservoir/«expan­
sion tank should be replaced.
NOTE
The threads on the reservoir/expansion
tank are left hand thread.
If the natural color of the transmission fluid has
changed, black or milky, overheating and/or wate r con­
taminate is indicated. The fluid should be drained and
replaced with new transmission fluid.
To drain the hydrostatic transmission, remové tf e hex
plug on the bottom of the hydrostatic transmission.
To fill the hydrostatic transmission, remove th«s vent
plug located next to reservoir/expansion tank ts pre­
vent an air lock. Replace vent plug.
Hydrostatic Transmission Cooling
The hydrostatic transmission is cooled by the oil, fan
and fins. Normal operating temperature is 180" F. If
the hydrostatic transmission runs hot, check to see if
the fan is in operating condition, the oil level is correct
and the fins are clean.
NOTE
DO NOT use high pressure water spray
or steam to clean the hydrostatic trans­
mission.
MAINTENANCE
Ar-
WARNING
Disconnect the spark plug wire and
ground against the engine before
performing any adjustments, repairs
or maintenance.
TROUBLE SHOOTING
Refer to the chart on pages 21 and 22 for trouble
shooting engine problems.
CRANKCASE OIL
Check the oil level in the crankcase before each use
of the machine and after every two hours of operation.
Oil level should be maintained as instructed in the
separate engine manual.
After the first two hours of operating a new engine, drain
the oil from the crankcase while engine is still hot and
refill crankcase with new oil; thereafter change the oil
after every 25 hours of operation. Refer to the engine
manual.
FUEL FILTER
Your unit is equipped with a replaceable in-line fuel
filter. Replace filter whenever contamination or
discoloration is noticed. Order replacement filter
through your authorized engine service dealer.
WHEEL ALIGNMENT
The front wheels should toe-in approximately 1/8".
Measure the distances A and B on the front wheels.
See figure 19.
■^NOTE
Dimension B should be approximately
1/8 inch less than dimension A.
A
r
IS
Front
%
(1/8"
le^ than A)
FIGURE 19.
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