Alternator Drive Belts; Back-Up Camera; Engine Air Filter Restriction Indicator; A/C And Heating System Air Filters - PREVOST H3-45 2023 Operator's Manual

8-14 Care and Maintenance
Belt tension should be within the following values:
New belts: 90-100 lbs.
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Used belts: 75-85 lbs.
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Check belt tension using a belt strand tension
gauge.
Once adjustment completed, allow the
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engine to run for about ten minutes. Check
belt tension and adjust if needed.
Do not treat belts with any compounds. Keep
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belts dry.
Periodically inspect belt and pulleys for wear
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or damage;

ALTERNATOR DRIVE BELTS

Automatic belt tensioners keep the correct
tension so these belts do not require adjustment.

BACK-UP CAMERA

The optional back up camera is located on the
rear cap. As soon as the transmission is put in
reverse (R), back up camera and monitor are
turned on automatically. To clean the camera's
protective glass, spray with soapy water. Wipe
with a clean damp rag or wiper blade.
WARNING
To avoid injury, do not clean camera with
transmission in reverse (R). Shut off engine and
apply parking brake before cleaning.
CAUTION
To prevent scratches to the camera protective
glass, do not wipe with dry rag. Use a clean damp
rag.

ENGINE AIR FILTER RESTRICTION INDICATOR

An air filter restriction indicator is used to monitor
the vacuum level between the air filter and the
turbocharger inlet. A red marker is displayed
when the air filter is clogged. Replace the air filter
when a red marker is displayed or after a
maximum of two years. Reset by pressing on the
indicator's extremity.
The air filter restriction indicator is located on the
engine air intake duct.
FIGURE 19: AIR FILTER RESTRICTION INDICATOR

A/C AND HEATING SYSTEM AIR FILTERS

For maximum air conditioning and heating
system efficiency, air filters should be inspected
and cleaned as required in maintenance
schedule to ensure proper ventilation of the
evaporator and heating radiator cores.
To clean filters, remove lint using a nylon brush,
back flush with water, then dry with air.
Do not use high pressure water jet to avoid
damaging filter.
Be sure not to reverse filter upon installation.
Driver's Area Air Filter
The driver HVAC system's air filter is located in
the wiper drive compartment.
NOTE
If the windshield is continuously fogged, check
that the driver's area air filter is not clogged
PA-1652 Operator's Manual H3-45 Coach
CAUTION
CAUTION