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14 Owner Service
MAN0137 (9/14/01)
OWNER SERVICE Cont’d
Lubrication
1. Do not let excess grease collect on or around
parts, particularly when operating in sandy areas.
2. Figure 6 shows the lubrication points. The accom-
panying chart gives the frequency of lubrication in
operating hours, based on normal operating condi-
tions. Severe or unusual conditions may require more
frequent lubrication. Some reference numbers have
more than one location; be sure you lubricate all loca-
tions.
3. Use SAE 90W gear lube in the gearbox. Check
gearbox daily for evidence of leakage at both seals
and the gasket between the housing and cover. If
leakage is noted, repair immediately. There may be a
small amount of lube emitted from the vent plug; this
is not considered leakage.
4. Check lube level every 50 hours by removing the
vent plug and inserting an object such as a wooden
pencil through the hole until it touches the bottom of
the gearbox. The oil level should show 1" on the pen-
cil. You may also check the oil by using an Allen
wrench to remove the level plug in the front of the
gearbox.
5. Over-filling the gearbox will cause the excess
gear lube to blow out vent plug. The gear lube could
then ruin the belt.
6. Use a lithium grease of #2 consistency with a
MOLY (molybdenum disulfide) additive for all loca-
tions. Be sure to clean fittings thoroughly before
attaching grease gun. When applied according to the
lubrication chart, one good pump of most guns is suf-
ficient.
7. In addition to the lubrication points shown (Figure
6), oil the six mower lift pivot points (See Oilite Bush-
ing Location, page 21), at least once a year.
Drive Shaft Lubrication
1. Lubricate the drive shaft slip joint every 8 operat-
ing hours. Failure to maintain proper lubrication could
result in damage to U-joints, gearbox and drive shaft.
2. Lower mower to ground and apply a bead of
grease all around the male half where it meets the
female half. Raise and lower mower several times to
distribute grease.