022-00029AE Operation and Maintenance Manual
Inspection, Maintenance and Adjustment 4-29
2.
Clean outer filter by blowing compressed
air from inside of filter towards the outside.
Do not use more than 205 kPa (30 psi) air
pressure.
3.
Clean the inside of air filter housing and
inside of air filter housing cover.
4.
Properly reinstall air filter and cover.
Tighten cover wing nut by hand. Do not
use any tools to tighten wing nut.
CHECK WATER PUMP BELT TENSION
NOTE:
Water pump belt tension must
be checked after first 50 hours
of operation to comply with new
machine break-in requirements.
After first check, water pump
belt must be checked every 150
hours. After first tension check,
belt must be checked every 150
hours.
1.
Apply 10 kg (22 lb) of force to midpoint of water pump belt. (Figure 53). The water pump belt should
deflect 10 mm (0.4 in). If belt deflects more than this, loosen control link and move idler pulley (2) to
tighten belt tension until deflection is 10 mm (0.4 in). Inspect water pump belt for damage. If belt is
damaged, replace it.
CAUTION!
Never clean the inside of air filter
housing while the inner element is
not installed.
IMPORTANT
A loose water pump belt can cause engine
overheating, poor charging, and/or
premature belt wear. A belt that is too tight
can cause damage to the water pump,
alternator bearing or belt.
HAOC570L
Figure 52
Figure 53