TM 10-5410-228-24
10. AIR BEAMS DO NOT INFLATE WHEN `RIB FAN' SWITCH IS PRESSED (NO RIB AIR FLOW) `RIB
FAN' INDICATOR ON.
With system running in VENT MODE, RIB FAN
switch ON and shelter air flow present:
Remove driver side top front and rear covers from
ECU per para 2.14.1.2 and 2.14.1.3.
Turn override buttons on solenoid valves SV8 and
SV5 counterclockwise (see Fig. 1-9).
Notify direct support to
Press and hold override button on solenoid valve
replace RIB FAN
SV7.
assembly.
Check for air flow at RIB FAN outlet.
No
Check hydraulic valves
No
RD2, RD3, and FP5.
Does RIB
Does RIB
Adjust or replace as
air flow?
air flow?
required per para 2.14.5.
Yes
Yes
Release override button
on solenoid valve SV7.
Replace solenoid valve
Remove connector plug
SV7 per para 2.14.4.
from solenoid valve
Yes
No
Does RIB
SV7.
Is
air flow?
Test for 24 Vdc across
24 Vdc
connector plug pins.
present?
Yes
Push and turn override button on
Remove connector plug
solenoid valve SV8 clockwise.
No
from solenoid valve
SV8.
Does RIB
Test for 24 Vdc across
No
air flow?
connector plug pins.
No
Yes
Yes
1
Replace
Is
Yes
Push and turn override button on
solenoid
24 Vdc
solenoid valve SV5 clockwise.
valve SV8.
present?
No
2
1
