PREVOST H3-41 Maintenance Manual page 626

SECTION 18a: H3 SERIES BODY
8.4 FRONT AND REAR BUMPERS
8.4.1 Paint touchup and surface preparation for vehicles equipped with urethane bumpers
Cleaning Clean using red wool and Standoflex 11100 (ST-11425) thinner
Clean again twice using Standoflex 11100 (ST-11425) thinner
Apply Non-Stop primer (ST-13320) with flexible agent dilution
Priming
2:1 10% in 2 or 3 coats, 15 min. flash/off between coats
Sanding Sand Non-Stop primer using P-320 grit sandpaper
Use a tack cloth
Basecoat Apply basecoat. Wait 30 minutes.
Varnish dilution Dilution without flexible agent
Varnishing Apply varnish
If assistance or technical information on STANDOX products is needed, please dial: 1 (800) 551-9296
9. FRONT AND REAR BUMPERS
9.1 FRONT BUMPER REMOVAL AND
INSTALLATION
The front bumper is hinged to give access to the
spare wheel compartment. Bumper must first be
tilted down before its removal. Two people are
required to remove and install the front bumper.
WARNING
Front bumper weighs approximately 180 lbs.
(80 kg). Use proper lifting equipment to support
the bumper during the removal and installation
operations to avoid personal injury.
Pull on the release handle located in the front
electrical and service compartment. The bumper
assembly will lower gradually.
9.1.1 Front Bumper Removal
Loosen 12 attaching bolts from inside the
bumper, 6 over and 6 under the bumper beam
(Figure 8). Let the bumper rest face down on the
lifting equipment platform.
22
PA1621 Maintenance Manual All Series
COMMENTS
FIGURE 8: BUMPER ATTACHING BOLTS
To reinstall the front bumper, reverse the
procedure.
9.1.2 Front Bumper Skin Removal
The bumper skin is pinched to the bumper beam
by the use of aluminum extrusions bolted over
and under the beam. First, remove the front
bumper as per "Front Bumper Removal". Let the
bumper rest face down on the lifting equipment
platform. Loosen the aluminum extrusion bolts
as required and then detach the skin from the
beam (Figure 9).
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Revised Sept 2019
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