TM 9-2320-366-10-2
Table 3-2. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NO AIR PRESSURE PRESENT AT M1088 REAR AND FIFTH WHEEL SERVICE
GLADHAND(S)
Step 1. Check to see if air is present at rear emergency gladhand.
(a)
Disconnect dummy coupling from rear emergency gladhand.
(b)
Start engine (para 2-27).
(c)
Check to see if air is present at rear emergency gladhand.
(d)
Shut down engine (para 2-27).
(e)
Connect dummy coupling to rear emergency gladhand.
If air is not present, perform Air System Troubleshooting j4A. No Air Pressure Present at All
M1088 Rear and Fifth Wheel Service Gladhands.
Step 2. Inspect air hoses for kinks, damage, and leaks.
(a)
Inspect air hoses from rear gladhands to three-way ball valves.
(b)
Inspect air hoses from fifth wheel gladhands to three-way ball valves.
(c)
Inspect air hoses from three-way ball valves to air brake protecting valve.
(d)
Inspect air hoses from air brake protecting valve to TRAILER AIR SUPPLY valve.
(e)
Inspect air hose from air brake protecting valve to front axle quick release valve tee fitting.
(f)
Inspect air hose from air brake protecting valve to booster valve.
(g)
Inspect air hose from booster valve to service gladhand two-way check valve.
If any air hose is kinked, damaged, or leaking; notify Unit Maintenance.
Step 3. If air pressure is still not present at rear and or fifth wheel service gladhand(s), notify Unit
Maintenance.
Step 1. Check to see if air is present at rear service gladhand when service brakes are applied.
(a)
Disconnect dummy coupling from rear service gladhand.
(b)
Start engine (para 2-27).
(c)
Apply service brakes (para 2-27).
(d)
Shut down engine (para 2-27).
(e)
Connect dummy coupling to rear service gladhand.
Change 1
