PREVOST X3-45 2016 - Specifications

Section 12: BRAKE AND AIR SYSTEM
Section 12 Updated Sept. 2015 X3-45 Commuter PA1593 DOB 2400-2489 25
Compression: Tighten nut by hand (Fig. 36).
From that point, tighten using a wrench the
number of turns indicated in the chart hereafter.
Fitting
size
Pipe
diameter
(inches)
Number of additional
turns required following
hand tightening
2 1/8 1 ¼
3 3/16 1 ¼
4 1/4 1 ¼
5 5/16 1 ¾
6 3/8 2 ¼
8 1/2 2 ¼
10 5/8 2 ¼
12 3/4 2 ¼
16 1 2 ¼
FIGURE 37: HOSE FITTING 12054
NTA-Type Plastic Tubing: Hand tighten nut
(Fig. 37). From that point, tighten using a wrench
the number of turns indicated in the following
chart.
Tubing
diameter
(inches)
Number of additional turns
required following hand
tightening
1/4 3
3/8 to 1/2 4
5/8 to 3/4 3 ½
FIGURE 38: HOSE FITTING 12055
AB-Type Copper Piping: Hand tighten nut
(Fig. 38). From that point, tighten with a wrench
the number of turns indicated in the following
chart.
Piping diameter
(inches)
Number of additional turns
required following hand
tightening
1/4, 3/8, 1/2 2
5/8, 3/4 3
FIGURE 39: HOSE FITTING 12056
Pipe Tightening: All connections must be hand
tightened. From that point, tighten a minimum of
2 ½ additional turns.
NOTE
Use Locktite (Prevost
number 680098) pipe
sealant to seal pipe thread.
33. SPECIFICATIONS
Air Compressor
Make .........................................................................................................................................Meritor Wabco
Model .................................................................................................................................................... SS636
Capacity (at 1250 rpm) .............................................................................................37.4 cfm (1,059 m
3
/min.)
Prevost number ...............................................................................................................................................
Air Dryer
Make ..................................................................................................................................................... Haldex
Model ............................................................................................................................................... AT-87192
Prevost number ............................................................................................................................... 70303498
Desiccant cartridge Prevost number ................................................................................................. 3097369
Flip-Flop Control Valve
Make ............................................................................................................................. Bendix Westinghouse
Model ...................................................................................................................................................... TW-1