8-12 Care and Maintenance
PA-1628Operator's ManualH3-45 COACH
accumulation that could block the fan blades
rotation;
Open the fan shroud as necessary (remove top and
bottom hex screws shown below) to facilitate
cleaning and debris removal;
FAN SHROUD TOP & BOTTOM HOLD-DOWN SCREWS
NOTE
Electric cooling fan motors are sealed and certified
IP6K9K and IP68.They can therefore be safely
power/pressure washed.
AIR TANK PURGE
The vehicle is equipped with many air tanks. Purge
the accessory air tank before each trip. The
accessory air tank drain cock is accessible from the
front service compartment.
The wet, primary, secondary and optional air tanks
must be purged at every oil change or at least every
12,500 miles (20 000 km). They are equipped with a
drain cock underneath the tank. Drain tanks by
turning cocks counterclockwise.
ENGINE COMPARTMENT FILL VALVES
FRONT SERVICE COMPARTMENT
FIRE EXTINGUISHERS
Inspect fire extinguishers monthly to ensure
operation in emergency situations.
On extinguishers with a pressure gauge, the needle
should be in the green or NORMAL range. Refill or
replace extinguisher if pressure is below normal;
Check that seal on handle is intact;
Check that hose nozzle is in good condition and the
nozzle is free of obstructions;
Keep fire extinguishers clean.
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