TM 5-2420-231-23-1
0026
Table 1. Air Filter Restriction Indicator Fault - Continued.
026
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Visually inspect aspirate hose
Aspirate Hose to Air Cleaner OK -
Air Filter Restriction
(Figure 2, Item 1) between aspi-
Proceed to step 4.
Indicator Fault - Continued
rate check valve (Figure 2, Item 5)
Aspirate Hose to Air Cleaner
and air cleaner (Figure 2, Item 2)
Collapsed, Damaged, or Sharply
for collapsed areas, damage, or
Bent - Reroute or replace hose
sharp bends.
(WP 0102).
Proceed to Test Step 10.
4. Visually inspect aspirate hose (Fig-
Aspirate Hose to Muffler OK -
ure 2, Item 1) between aspirate
Proceed to step 5.
check valve (Figure 2, Item 5) and
Aspirate Hose to Muffler Collapsed,
muffler (Figure 2, Item 7) for col-
Damaged, or Sharply Bent - Reroute
lapsed areas, damage, or sharp
or replace hose (WP 0102).
bends.
Proceed to Test Step 10.
5. Remove three clamps (Figure 2,
Items 3, 6, and 8) and hoses
(Figure 2, Items 1 and 9) from
aspirate check valve (Figure 2,
Item 5) (WP 0102).
6. Visually inspect aspirate hoses
Aspirate Hoses and Check Valve OK
- Proceed to step 7.
(Figure 2, Items 1 and 9) and aspi-
rate check valve (Figure 2, Item 5)
Dirt or Debris in Aspirate Hoses -
Remove dirt or debris from aspirate
for dirt or debris.
hoses.
Install three clamps (Figure 2, Items 3,
6, and 8) and two hoses (Figure 2,
Items 1 and 9) on aspirate check valve
(Figure 2, Item 5) (WP 0102).
Proceed to Test Step 10.
Dirt or Debris in Aspirate Hoses and
Aspirate Check Valve - Replace
aspirate check valve (WP 0102).
Proceed to Test Step 10.
7. Remove clamp (Figure 2, Item 4)
and aspirate check valve (Figure
2, Item 5) from machine.
8. Visually inspect aspirate check
Aspirate Check Valve OK - Install
valve (Figure 2, Item 5) for dents,
aspirate check valve (Figure 2, Item 5)
cracks, or damage.
and clamp (Figure 2, Item 4) on
machine.
Install three clamps (Figure 2, Items 3,
6, and 8) and two hoses (Figure 2, Items
1 and 9) on aspirate check valve
(Figure 2, Item 5) (WP 0102).
Proceed to Test Step 3.
Aspirate Check Valve Dented,
Cracked, or Damaged - Replace
aspirate check valve (WP 0102).
Proceed to Test Step 10.
0026-4
