Operator's Manual
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Unlatch and open hood.
Remove capscrews (5) securing fan belt guard
and remove guard (Fig. 50).
Belt should deflect 1/4 in. (6 mm) midway between
the pulleys with 5 lb force (22 n) (Fig. 51). If deflection is
incorrect, proceed to step 4. If correct, proceed to
step 5.
Loosen locknut securing idler pulley (Fig. 51).
Push idler pulley against belt until proper deflection is
achieved and tighten idler pulley locknut (Fig. 51).
Install fan belt guard and secure with capscrews
(Fig. 50). Close and latch hood.
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Follow procedures in step 1 and 2 above.
Loosen locknut securing idler pulley, slide pulley
away from belt, and remove belt from top and bottom
pulleys (Fig. 51).
Install new belt and adjust for proper tension. Push
idler pulley against belt until belt deflects 1/4 inch (6
mm) with 5 lb force (22 N) midway between top and
bottom pulley locknut to secure adjustments (Fig. 51).
Install fan belt guard and secure with capscrews
(Fig. 50). Close and latch hood.
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26( Check fan belt tension after first day's operation.
Readjust tension, if necessary. Follow regular
maintenance check procedure thereafter.
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The cooling system must be filled with a 50/50 solution
of water and permanent ethylene glycol anti-freeze.
Every two years, drain the coolant from the radiator
and engine by opening the drain cock and block plug.
After coolant is drained, flush the entire system and
refill it with a 50/50 solution of water and anti-freeze.
Capacity of cooling system is approximately 6 quarts
(5.7 L). When filling the radiator, level of coolant must
be above the core and 1 inch (25 mm) below bottom of
filler neck. DO NOT OVERFILL. Always install radiator
cap securely.
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Every 250 hours operation, clear the muffler of carbon
buildup.
Unlatch and raise hood assembly.
Remove pipe plug from clean-out port at lower
side of muffler (Fig. 52).
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Start engine. Plug the normal muffler exit with
block of wood or metal plate so exhaust flow will be
forced out of the clean-out port (Fig. 52). Continue to
block exit until carbon deposits cease coming out port.
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Stop engine, replace pipe plug and lower and latch
hood.
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Check traction drive neutral position to assure front
wheels do not creep; refer to Adjusting Traction Drive
for Neutral.