PREVOST X3-45 COMMUTER, Руководство по обслуживанию

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SECTION 18: BODY
20
DOB 2490-2789 | X3-45 Commuter PA1605 Maintenance Manual (Final Version – Rev.2 April 2016)
15.1.1 FRONT BUMPER
The front bumper is hinged to give access to the
steering gear and to facilitate removal and
installation. To remove the bumper, unscrew the
top retaining bolts (2) and tilt down the bumper.
WARNING
Front bumper is heavy. Use proper lifting
equipment to support the bumper during the
removal and installation operations to avoid
personal injury.
FIGURE 9: BUMPER TOP RETAINING BOLTS
18700
Disconnect both emergency air supply lines from
the bumper (hoses are not pressurized).
FIGURE 10: FRONT BUMPER AIR LINES
18701
Using the spring adjustment hex nut, remove
bumper spring tension until the end hook can be
disconnected from the bumper bracket.
NOTE
To facilitate spring tension adjustment
during re-installation, take note of the
spring hook length (taken from the
adjustment nut face to the bumper bracket
hole) before removal.
WARNING
Bumper spring is under heavy tension; do not
pry out the spring hook without completely
removing the spring tension.
FIGURE 11: FRONT BUMPER SPRING
18702
Disconnect the bumper supporting arm.
FIGURE 12: BUMPER SUPPORT ARM
18703
Unscrew the four (4) hinge bolts that secure the
bumper hinges to the vehicle and remove the
bumper.