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13 MANUAL NO. 102936IR
PRINTED IN USA
13. Fuel filter: Replace annually or as needed.
14.
Hydraulic filter and oil: Change every 500 hours or yearly. Stop engine and remove key. Tilt
seat forward and clean around the filter and the fittings under the hydraulic tank. Remove the
filter and allow any oil to drain from the filter head. Then replace with new filter. Use only KEES
p/n 102606, filter which has a bypass valve it and the correct micron filter. Loosen hose from
fitting under hydraulic tank and allow tank to drain, reinstall hose to fitting. Fill tank with 20w -
50 motor oil to 1/4” to 1” below neck of tank and replace cap. Block up the rear of unit until
wheels will rotate freely and start engine at a slow idle, move the motion control levers forward
and run for several minutes. Stop engine and recheck oil level. If wheels don’t response an air
lock has occured within the hydraulic system. Bleed air from lines, or let stand overnight to
allow the air time to dissipate out of the oil. Retry responses & check the oil level. Note:
Serious damage to the pumps and wheel motors can occur if the system is ran with an air lock.
See the specification sheet for the correct kind of oil. The factory uses Quaker State Deluxe
Motor Oil 20w-50.
15.
Caster swivel nuts: Check at 250 hours for tightness. Remove cotter pin and tighten castle
nut. Do not over tighten. Rotate nut back so a slot in the castle nut lines up with the hole in the
spindle and install cotter pin.
MAINTENANCE