Asus 136-480A - Manual (Page 11)

The chain can be lubricated by wiping it with an
oily rag.
The differential and transmission are sealed at the
factory and require no further lubrication.
FIGURE 17. REAR AXLE ASSEMBLY
CHAIN ADJUSTMENT
To tighten the chain, loosen two locknuts on each
side of rear axie as shown in figure 17.
Tighten the adjusting nuts (figure 18) equally on
both sides. Tighten until the chain has Va inch
siack between the sprockets.
The adjusting nuts can be tightened individuaiiy
to aiign the axle.
Tighten the 4 locknuts after the adjustment is
made.
When assembling the air cleaner, make certain
the iip of the foam element extends over edge of
the air cleaner body. The foam element will form a
protective seal.
Step 1. Remove two screws and lift off complete
air cleaner assembly.
Step 2. Remove screen and spacers from foam
element.
Step 3. Remove foam element from air cleaner
body.
Step 4. a. Wash foam element in kerosene or
liquid detergent and water to remove
dirt.
b. Wrap foam in cloth and squeeze dry.
c. Saturate foam in SAE 30 engine oil,
then squeeze out excess oil.
d. Assemble parts, fasten to carburetor
with screw.
FIGURE 18. CHAIN ADJUSTMENT
CLEANING ENGINE AND BLADE HOUSING
Any fuel or oil spilled on the machine should be
wiped off promptly. Grass, leaves, and other dirt
mustoot be left to accumulate around the cooling
fins of the engine or on any part of the machine.
Clean the underside of the blade housing after
each mowing.
BELTS
Check that belts are free of oil or dirt. Wipe the
belts periodically with a clean rag.
AIR CLEANER
Under normal operating conditions, the air
cleaner, located on top of the carburetor, must be
serviced after every ten hours of use. Under
extremely dusty operating conditions the air
cleaner must be serviced after every hour of
operation. Refer to figure 19.
NOTE
Belt tension is automatically main­
tained by the spring on the variable
speed bracket on the drive belts and
the belt tension on the deck belt is
maintained by the two deck springs.
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