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drain, then close the valve by pushing inward and rotating 1/4 turn
clockwise. Remove and retain the hose for future use.
e) Replace the oil filter every other oil change. Clean around oil filter and
unscrew filter to remove. Before reinstalling new filter, apply a thin coating of
oil on the surface of the rubber seal. Turn filter clockwise until rubber seal
contacts the filter adapter then tighten filter an additional 2/3 to 3/4 turn.
f) Clean around oil fill cap and remove cap. Fill to specified capacity and replace
cap. Use oil recommended in engine owner’s manual. DO NOT overfill.
g) Lower the hood and seat.
h) Start the engine and check for leaks.
4.1.8 Check hydraulic oil level
:
Service Interval: 40 hr.
a) Stop engine and wait for all moving parts to stop.
b) Tilt seat up.
c) Clean area around hydraulic reservoir cap and remove cap. Oil level should
be to the top of the baffle inside the tank. If not, add oil. Use only Mobil 1
15W-50 synthetic motor oil. Replace hydraulic reservoir cap and tighten
until snug. Do not overtighten.
NOTE: The baffle is labeled “HOT” and “COLD”. The oil level varies with
the temperature of the oil. The “HOT” level shows the level of oil when it is
at 225°F (107°C). The “COLD” level shows the level of the oil when it is at
75°F (24°C). Fill to the appropriate level depending upon the temperature
of the oil. For example: If the oil is about 150° F (65°C), fill to halfway
between the “HOT” and “COLD” levels. If the oil is at room temperature
(about 75° F (24°C)), fill only to the “COLD” level.
4.1.9 Check auxiliary hydraulic oil level
:
Service Interval: If there is evidence of a leak or the hydraulic
cylinder does not perform normally.
a) Retract the hydraulic cylinder.
b) Stop engine and wait for all moving parts to stop.
c) Tilt the seat forward.
d) Locate the auxiliary hydraulic power unit reservoir. See Figure 4.
FIGURE 4
e) Clean area around the reservoir plug and remove. Oil level should be up to
the reservoir plug hole. If not, add oil. Use only Mobil 1 15W-50
synthetic motor oil. Replace reservoir plug and tighten until snug. Do
not overtighten.