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screw.
8.
Check adjustment as follows:
Engage the parking brake. Depress the traction
pedal while the engine is running and the power
take-off lever is disengaged. The engine should
stop within 2 seconds. If the engine stops, the
switch is operating correctly; you may continue
operation. If the engine does not stop, there is a
malfunction in the interlock system.
9.
Connect the switch and install the steering tower
cover.
Changing the Hydraulic Oil and
Filter
Initially, replace the hydraulic system oil and filter
after the first full day's operation—NOT TO
EXCEED 10 HOURS. Replace the oil and filter every
250 hours thereafter. The hydraulic system is designed
to operate on any high-quality detergent oil having the
American Petroleum Institute— API—"service
classification"
SF/CC or CD. Oil viscosity—weight—must be
selected according to anticipated ambient temperature
for the season in which product will be used.
Temperature/viscosity recommendations are:
Expected Ambient
Temperature
(Extreme) over 32° C
(Normal) 4–37° C
(Cool) –1 to 10° C
(Winter) Below –1° C
Note: Do not mix engine oil and automatic
transmission fluid or hydraulic component damage
may result. When changing fluids, also change
transmission filter. DO NOT USE DEXRON II ATF.
Note: Fluid to operate the power steering is supplied
Recommended
Viscosity and Type
SAE 30, Type SF/CC or CD
engine oil
SAE 10W-30 or 10W-40,
Type SF/CC or CD engine oil
SAE 5W-30, Type SF/CC or
CD engine oil
Type "F" or "FA" ATF
Automatic Transmission Fluid
by the hydraulic system transmission charge pump.
Cold weather start-up may result in "stiff" operation
of the steering until the hydraulic system has warmed
up. Using proper weight hydraulic oil in the system
will minimize this condition.
The transmission and axle housing are shipped from
the factory with approximately 5 quarts (4.7 l) of SAE
10W-30 engine oil. However, check the level of
transmission oil before first starting the engine, and
daily thereafter.
1.
Lower the cutting unit to the shop floor, set the
parking brake, and turn the engine OFF. Block
the two rear wheels.
2.
Jack up both sides of the front axle and support it
with jack stands.
3.
Clean the area around the hydraulic oil filter and
remove the filter (Fig. 36).
3
2
1. Filter
2. Return line
3. Suction line
4.
Remove the tube that connects the axle housing
to the transmission and let the oil to flow into a
drain pan.
5.
Install the new hydraulic oil filter and connect
the tube between the axle housing and
transmission. Fill the axle (reservoir)(approx. 5
qt.); refer to Check Hydraulic System Fluid, page
15. Remove the jack stands.
6.
Start the engine, cycle the steering and lift
cylinders, and check for oil leaks. Let the engine
run for about five minutes. Then shut the engine
34
Figure 36
1
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