5. Ensure that the filter mounting area is clean.
6. Install the filter b y hand until the g ask et
contacts the mounting surface , then rotate it
an additional 1/2 tur n.
7. Star t the engine and let it r un for about tw o
min utes to purg e air from the system.
8. Stop the engine and c hec k for leaks .
9. Chec k the transmission fluid lev el and
re plenish it if necessar y .
Changing the Rear Axle
Lubricant
Note: T his procedure is for model 03544 only .
Chang e the oil in the rear axle after ev er y 800
operating hours .
1. P osition the mac hine on a lev el surface .
2. Clean the area around the drain plugs
( Figure 64 ).
Figure 64
1. Drain plugs
3. R emo v e the plugs , allo wing the oil to drain
into drain pans .
4. After the oil is drained, apply thread loc king
compound to the drain plug threads and install
them in the axle .
5. Fill the axle with lubricant; refer to Chec king
the R ear Axle Lubricant in Operation , pag e 26 .
Adjusting the Rear Wheel
Toe-in
T he rear wheels should ha v e 0 to 1/8 inc h (0 to 3
mm) toe-in when they are pointed straight ahead.
T o c hec k the toe-in, measure the center -to-center
distance , at axle height, in the front and rear
of the steering tires . If the toe-in is not within
specifications , adjust it as described belo w for y our
model.
Chec k the rear wheel toe-in after ev er y 800
operating hours or ann ually .
Models 03540 and 03543
1. R otate the steering wheel so that the rear
wheels are straight ahead.
2. Loosen the jam n uts on both tie rods
( Figure 65 ).
Figure 65
1. Tie rods
3. Adjust both tie rods equally until the
center -to-center distance at the front of the
rear wheels is 0 to 1/8 inc h (0 to 3 mm) less
than at the rear of the wheels .
4. W hen toe-in is cor rect, tighten the jam n uts
ag ainst the tie rods .
Model 03544
1. R otate the steering wheel so that the rear
wheels are straight ahead.
2. R emo v e the cotter pin and slotted hex n ut
from either tie rod ball joint. Use a ball joint
fork and remo v e the tie rod ball joint from the
axle case suppor t.
3. Loosen the clamps on both ends of the tie rod
( Figure 66 ).
51