MAINTENANCE
7-82
Adjust Compressor Belt Tension
Visually check the belt for wear. Replace if necessary. Check
compressor belt tension by depressing the midpoint be-
tween compressor pulley and crank pulley with the thumb.
Deflection must be 9 to 12 mm (0.35 to 0.47 in) with a de-
pressing force of approximately 98 N (10 kgf, 22 lbf).
If tension is not within specifications, loosen bolt (1). Move
the tension pulley by bolt (2) until tension is correct. Tighten
bolt (1).
NOTE: When a new belt is installed, be sure to re-adjust the
tension after operating the engine for 3 to 5 minutes
at slow idle speed to be sure that the new belt is seated
correctly.
11
Clean Cab Floor --- as necessary
IMPORTANT: When cleaning the cab floor with tap water,
spray the floor only. Take care not to splash
the surrounding area. Do not increase water
spray speed by restricting the hose end, and
do not use high pressure steam for cleaning.
Be sure to completely remove any moisture
from the surrounding area.
1. Park the machine on solid and level surface. Lower the
bucket to the ground. Before cleaning, stop the engine.
2. Sweep the cab floor clean using a brush, and brush dust
from the cab floor while spraying water.
3. When cleaning the floor mat, sweep dust (water) along
the grooves on the floor mat.
4. When cleaning after removing the floor mat, sweep dust
(water) through two cleaning holes.
M1U1-07-052
M1G6-07-013
Crank Pulley
Tension Pulley
Compressor
Compressor Pulley
1
2
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