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Page Title:
AIR DRYER AND AIR DRYER HEATER MAINTENANCE - continued |
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 TM 9-2320-386-24-1-1
0281 00
AIR DRYER AND AIR DRYER HEATER MAINTENANCE (Contd)
AIR DRYER INSTALLATION
1.
Install mounting plate (5) and mounting bracket (6) on crossmember (3) with four washers (2),
screws (1), and nuts (4).
2.
Apply sealant to male threads of elbows (9), (13), and (16), adapters (10) and (12), and
bushings (11) and (15).
3.
Install bushing (15) on control port (17) of air dryer (7).
4.
Install elbow (16) on bushing (15).
5.
Install adapter (10) and elbow (9) on inlet port (8) of air dryer (7).
6.
Install bushing (11), adapter (12), and elbow (13) on outlet port (14) of air dryer (7).
7.
Position air dryer (7) on mounting bracket (6) and clamp (18) and install jamnut (32).
8.
Install new lockwasher (21) and screw (22) on mounting bracket (6) and air dryer (7). Tighten
screw (22) 20-35 lb-ft (27-47 Nm).
9.
Install clamp (25) with air dryer heater connector (29) on clamp (18) with new lockwasher (26) and
nut (27).
10.
Connect wire harness connector 27 (30) to air dryer heater connector (29).
11.
Install tube (20) on air dryer inlet port elbow (9) and tighten nut (19).
12.
Install tube (23) on air dryer outlet port elbow (13) and tighten nut (24).
13.
Install tube (28) on air dryer control port elbow (16) and tighten nut (31).
OPERATIONAL CHECK
Once the unit is installed, start engine, build up pressure to 100 psi, and shut off engine. Check for air
leaks at inlet and outlet of dryer. Correct any leakage problem. Restart engine and build up pressure to
compressor cutout pressure. At cutout pressure the dryer purge valve opens and immediately expels a
large volume of air, followed by a slow flow of air lasting approximately thirty seconds.
7
3
~
1
2
17
16
8
4
10
15
9
14
11
5
12
6
13
0281 00-6
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