Operator's Manual

Figure 44
1. Oil cooler
Cleaning the Engine Fins
Ev er y 100 hours clean the engine cylinder and
cylinder head cooling fins . Also clean around
carburetor , g o v er nor lev ers and linkag e . T his will
mak e sure adequate cooling to h y draulic pumps ,
motors and engine and will reduce the possibility
of o v erheating and mec hanical damag e .
1. R emo v e the engine shroud.
2. Clean the engine cooling fins .
3. Install the engine shroud.
Figure 45
Brake Maintenance
Adjusting the Parking Brake
Chec k the parking brak e for proper adjustment.
1. Diseng ag e brak e lev er (lev er do wn).
2. Measure the length of the spring .
T he measurement should be 2-3/4 inc h (70
mm) betw een w ashers ( Figure 46 ).
Figure 46
1. Brake lever 4. Collar on brake rod
2. Spring (2-3/4 inches/70
mm)
5. 3/16–1/4 inch (5–7 mm)
3. Adjusting nuts 6. Jam nut and yoke
3. If adjustment is necessar y , loosen the jam n ut
belo w the spring and tighten the n ut directly
belo w the y ok e ( Figure 46 ). T ur n the n ut until
the cor rect measurement is obtained. Tighten
the tw o n uts tog ether and re peat on opposite
side of unit.
4. T ur n n uts cloc kwise to shor ten spring length
and tur n counter -cloc kwise to lengthen the
spring .
5. Eng ag e parking brak e , lev er up .
6. Measure the distance betw een the tr unnion
roller and the collar on brak e rod.
T he measurement should be 3/16-1/4 inc h
(5-7 mm) ( Figure 46 ).
7. If adjustment is necessar y , loosen the jam n ut
directly belo w the y ok e . T ur n the bottom rod
until the cor rect measurement is obtained
( Figure 46 ). Tighten jam n ut at y ok e
Belt Maintenance
Replacing the Mower Belt
T he signs of a w or n mo w er belt are squealing
while the belt is rotating, blades slipping while y ou
are cutting g rass , fra yed belt edg es , bur n marks ,
and crac ks . R e place the mo w er belt if y ou detect
any of these signs .
1. Diseng ag e the PTO , mo v e the motion control
lev ers to the neutral loc k ed position, and set
the parking brak e .
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