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Crusader
MC-8
MAINTENANCE
[ ""'-=3~-2=-5
- - - ° ' "
December, 1973
r
MANUAL
operation. Also, when over_hauling air cylinder the
new parts should be coated with SAE 30 oil before
assembly.
ADJUSTMENT
The entrance door air cylinder can be adjusted to
provide close fitting of door. If door vibrates or is
not locked firmly in position, make adjustments in
the following manner.
I.
Remove panel on rear wall of stepwell to gain ac-
cess to air cylinder.
2.
Remove cotter pin and yoke pivot pin to free
yoke at anchor end of air cylinder.
3.
Loosen◄ jam
nut and turn yoke to lengthen or
shorten stroke of piston rod as necessary.
4.
Tighten jam nut and re-assemble.
Further adjustments can be made to provide a
closer fit between latch nose and latch pad. Slotted
holes are provided in the latch nose mounting for this
purpose. To adjust, loosen the mounting bolts and set
latch nose at the desired position. Retighten bolts.
COMPARTMENT DOORS
LEFT FRONT SERVICE DOOR: A left front
service door below the driver's window is front
hinged, held closed by two quarter thumb screws:
Two check straps one at top and one at bottom
prevent door from opening too far. Access is
provided to auxiliary air tank, parking-emergency air
tank charging valve, steering components, windshield
washer and horns.
CONDENSER COMPARTMENT DOOR: The
condenser compartment door is front hinged, piano
type and is held closed by quarter turn slotted head
screws. A rod type prop automatically holds the con-
denser door when fully opened. Access is provided to
conderiser which is mounted on door, fans, receiver
tank and other air conditioning components.
RIGHT REAR SIDE SERVICE DOOR: The right
rear side service door is front hinged with upper
&
lower
brackets.
To
open
turn
handle
coun-
terclockwise. Access is provided to trailing axle air
dump valves, chemical tank rinse and fill, lavatory
chemical and basin waste tank drain valve, lavatory
dump air cylinder, air conditioning compressor, swit-
ches, solenoids and provides access to right hand side
of the engine.
LEFT REAR SIDE SERVICE DOOR: The left
rear side service door is front hinged with upper and
lower
brackets.
To
open
turn
handle
coun-
terclockwise. Access is provided to rear junction
panel components, alternator, air cleaner servicing
and provides access to left hand side of the engine.
LEFT AND RIGHT HAND REAR ENGINE
COMPARTMENT SERVICE DOORS: The left and
right hand rear engine compartment service doors are
side mounted. Door latches are rod type with turn
hands. A rod type prop automatically hold the doors
when fully opened. Access is provided to engine com-
partment.
BLOWER COMPARTMENT DOOR: The blower
compartment door is top hinged and held closed by
two
spring
loaded
latches.
A
rod
type
prop
automatically holds door when fully opened. Access
is provided to blower gear box fill, sight glass, blower
fans and scrolls, and blower pulley.
FUEL TANK FILLER DOOR: The fuel tank filler
door is top hinged, piano type, with dual over-center
springs to securely hold door both opened and
closed. Provision is made in the body paneling for ac-
cess to fuel tank assembly and drain plug if removal
is necessary.
BATTERY COMPARTMENT DOOR: Th~ bat-
tery compartment door is top hinged and held closed
, by an over-center spring loaded latch. A manual type
prop is provided to hold door open. Access is
provided for servicing batteries, battery disconnect
switch, C/H air filter, trailing axle hold-up chain,
Jack handle and run up block.
ELECTRICAL JUNCTION PANEL SERVICE
DOOR: The electrical junction panel service door is
located below the driver's window and is top hinged,
piano type hinge and is held closed by two quarter
turn slotted head screws. A rod type prop holds the
door open.
SURGE TANK FILLER DOOR: The surge tank
filler door is located on the right hand side of the
coach at the rear above the radiator compartment.
The door is front hinged, piano type and is spring
loaded in the closed position.
WINDSHIELD WIPERS
DESCRIPTION
Two heavy duty "Super Challenger" air operated
windshield wipers are installed, controlled by two
small knobs situated at the lower right side of the in-
strument panel. Each knob controls its corresponding
windshield wiper.
MAINTENANCE
Wiper motor, control valves require no periodic
maintenance between overhaul. At overhaul, the
windshield wiper motors and wipers should be
disassembled, cleaned and lubricated.
Every 100,000 miles, the air strainer should be
disassembled and cleaned.
REMOVAL AND REPLACEMENT
Windshield wipers may be removed from the ex-
terior of the coach. To remove first remove wind-
shield wiper blades, arms and pantograph arms.
Remove wiper shaft spacer retainer nut. Remove left
or right hand corner moldings. Disconnect air lines
to wiper motor. Remove wiper motor mounting panel
retaining screws and lift out complete assembly.
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