Volt In-Station Lighting Circuit; Volt Connector; Belt Tension Adjustment - PREVOST H3-41 Manual

110-120 VOLT IN-STATION LIGHTING
CIRCUIT (OPTIONAL)
A 110-120 volt lighting system can be used when
the coach is being cleaned or serviced by using
an interior power receptacle.
The optional receptacle used for the in-station
lighting circuit is located in the front left service
compartment on the alarm box.
ALARM BOX IN FRONT SERVICE COMPARTMENT

110-120 VOLT CONNECTOR

(ENGINE BLOCK HEATER
FRESH WATER TANK HEATER)
The 110-120 volt power connector is located on
the engine compartment rear door.
"Exterior of Coach" section. Connect the female
extension cord plug to the male connector on the
engine compartment rear door. Connect the plug
at the other end of the cord to a 110-120 VAC
outlet only.
The engine is equipped
immersion-type electric block heater to assist cold
weather starting.
The engine block heater should be used
whenever the coach is parked for extended
periods in cold weather and whenever a suitable
power source is available.
The coach can be equipped with a fresh water
tank heater.
OEH3B732
& OPTIONAL
Refer to
with an engine
7-10
CARE AND MAINTENANCE
When the coach is plugged to an external power
source, the engine block heater and the optional
fresh water tank heater turn on.
CAUTION: ONLY USE
POWER SOURCE. USE ONLY A GROUNDED
TYPE (THREE PRONGED) EXTENSION CORD
WITH A MINIMUM
CAPACITY OF 15 AMPS. DISCONNECT THE
EXTENSION CORD BEFORE STARTING OR
MOVING THE COACH.

BELT TENSION ADJUSTMENT

The radiator transfer fan and air conditioning
compressor are driven by V-belts.
Belt Tension Gauge #68-2404 is used to measure
the belt tension of series-60 engine belts. Refer to
Prevost Maintenance Manuals or Service Bulletins
for recommended belt sizes and tension settings.
BELT TENSIONERS
Air-operated type
Belt tensioning is applied through air bellows
which are adjusted by an air pressure regulating
valve mounted in engine compartment near the
engine oil reserve tank. For proper operation of
the air bellows, adjust the upper tensioning
bracket to provide a 2 3/8"-2 1/2" (60-64mm)
extension with the pneumatic system under
normal pressure and the pressure regulating valve
set at 50 psi (345 kPa).
AIR BELLOW
A 110-120 VAC
RATED CURRENT
OEH3B734