TM 9-2320-387-24-2
25-82
Change 1
25-31. A/C PRESSURE HOSES MAINTENANCE (Cont'd)
1.
Lubricate O-ring (3) with refrigerant oil, and install on high-pressure hose (1).
2.
Connect high-pressure hose (1) to front receiver/dryer (4) and tighten nut (2) to 12 lb-ft (16 N•m).
3.
Route high-pressure hose (1) across engine compartment and over upper oil dipstick support
bracket (15).
4.
Continue routing high-pressure hose (1) under vehicle and through CTIS cover grommet (20).
5.
Pull hose (10), hose assembly (9), high-pressure hose (1), and A/C wiring harness (13) rearward and
slide CTIS cover (21) forward until foil insulation (25) contacts CTIS cover (21). Foil insulation (26)
on A/C wiring harness (13) should extend through CTIS cover (21) approximately 1-in. (2.5 cm).
6.
Install CTIS cover (21) on vehicle body (24) and secure with two screws (22) and screw (23).
7.
Continue routing high-pressure hose (1) along left side tunnel (19).
8.
Lubricate O-ring (3) with refrigerant oil, and install on high-pressure hose assembly (1).
9.
Connect high-pressure hose assembly (1) to rear liquid tube (18) and tighten nut (2) to 12 lb-ft
(16 N•m).
10.
Install two clamps (27) around hose (10), hose assembly (9), and high-pressure hose (1).
11.
Apply sealing compound to threads of two capscrews (28), and secure two clamps (27) to left side
tunnel (19) with two washers (29) and capscrews (28) and tighten capscrews (28) to 6 lb-ft (8 N•m).
12.
Install clamp (12) around hose (10), hose assembly (9), and high-pressure hose (1) in engine
compartment.
13.
Apply sealing compound to threads of capscrew (11) and secure clamp (12) to clamping bracket (16)
with washer (17) and capscrew (11) and tighten capscrew (11) to 10 lb-ft (14 N•m).
14.
Lubricate two O-rings (5) with refrigerant oil and install on high-pressure hose (8).
15.
Connect high-pressure hose (8) to front receiver/dryer (4) and evaporator tube (7) and tighten
nuts (6) to 18 lb-ft (24 N•m).
16.
Secure hose (10), hose assembly (9), high-pressure hose (1), and A/C wiring harness (13) in engine
compartment with tiedown straps (14), as required.
17.
Secure hose (10), hose assembly (9), high-pressure hose (1), and A/C wiring harness (13) along left
side tunnel (19) with tiedown straps (14), as required.
b. Installation
