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4. MAINTENANCE
CHANGING HYDRAULIC OIL FILTER
1.
With the engine stopped, remove bolts from the
filter cover and remove the oil filter cartridge
and bypass valve. See Fig 4.6C.
2.
Remove bypass valve from used cartridge and
install the bypass valve on new cartridge and
install in filter housing. See Fig. 4.6D
3.
Replace cover and tighten bolts.
4.
Start the engine and check for leaks.
5.
Stop the engine and check the hydraulic oil
levels.
Do not allow dirt
to enter the
hydraulic/hydrostatic
system
IMPORTANT
CARTRIDGE
C4110
C4074
CHANGING HYDRAULIC OIL
The hydraulic oil normally needs to be changed
after 1000 operating hours or annually. However, if
the oil becomes contaminated, or a major repair has
been done to the hydrostatic transmission, it should
be changed at once.
1.
Remove the oil drain plugs located on the
bottom ot the oil tank (See Fig. 4.6E) as well as
the bottom of the Mini-Skid Loader in the
center.
2.
Replace the oil drain plug, and refill the
reservoir with clean oil of proper grade and
type.
3.
Start engine and check for leaks. Stop the
engine and recheck the oil level.
BOLT
BOLT
Fig 4.6C
Fig 4.6D
FILTER
OIL DRAIN PLUG
C4178
Fig 4.6E
Escaping hydraulic fluid
under pressure can
penetrate the skin
causing serious injury.
• DO NOT use your hand
to check for leaks. Use a
piece of cardboard or
paper to search for leaks.
• Stop engine and relieve
pressure before
connecting or
disconnecting lines.
• Tighten all connections
before starting engine or
pressurizing lines.
If any fluid is injected
into the skin obtain
medical attention
immediately or gangrene
may result.
WARNING
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