Removing Fixed Seats; Upholstery Maintenance; Routine Cleaning - PREVOST H3-41 Maintenance Manual

SECTION 18a: H3 SERIES BODY
FIGURE 29: FINAL POSITION
4. Fasten the threaded-stud knob under the
seat on the aisle side.

15.2 REMOVING FIXED SEATS

NOTE
Seats on one row are not interchangeable with
seats of the other row.
To remove fixed seats, proceed as follows:
1. Remove 1 nut holding each seat bottom
cushion from under the front part of the seat
frame.
2. Lift front part of cushions and remove
cushions.
3. Remove 4 finishing screws holding plastic
cover between side wall and seat frame.
4. Remove 2 cap screws, nuts, and washers
holding seat frame to side wall and retain the
2 holding brackets. See Figure 30 and
Figure 31.
FIGURE 30: SIDE WALL MOUNTING
42
PA1621 Maintenance Manual All Series
5. Remove 2 nuts and washers holding seat
frame to pedestal rods.
FIGURE 31: SEAT PEDESTAL ASSEMBLY
NOTE
Bottom end of rod is coated with Loctite and
threaded in a steel block which slides in the
floor track. Removal of rod is possible if
loosened from block. Otherwise, slide rod and
block assembly to the front end of track after
removing all seats located in front.
6. Remove seat assembly.
7. Reverse the above procedure to install seat
assembly. Tighten mounting nuts.
NOTE
On newer vehicles, the rod consists of a
carriage bolt inserted in a square plate sliding
in the floor track. Removal is possible only by
the front or rear end of track.

15.3 UPHOLSTERY MAINTENANCE

Coach seats are lightweight, with foam-padded
backs and cushions. For both appearance and
wearability,
upholstery is cleaned at regular intervals before
dirt, dust and grit have been ground into the
fabric. Seat fabric is made of 50% wool, 33%
cotton, 9% nylon, and 8% acrylic.

15.3.1 Routine Cleaning

All that is required to remove the dirt is a gentle
18106
beating with the hand or the back of a brush.
This will bring the dirt to the surface where it is
easily removed with a vacuum or brush in the
|
Revised Sept 2019
TORQUE: 27 lb-ft (37 Nm)
best results are
18107
obtained if