TM 9-2320-260-20
Table 2-2. Mechanical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
65. HINGED ROOF AND FLOOR PANELS CANNOT BE LOCKED IN FOLDED POSITION
Inspect roof panel lock for bent, worn, or damaged parts.
Replace bent, worn, or damaged parts (para. 12-27).
END OF TESTING!
66. VAN BODY NOT WATERPROOF OR LIGHTTIGHT
Step 1. Visually inspect lower part of side panel for tightness against van body.
Place heavy block of wood against rub rail at end of side panel where leak occurs. Strike
block with heavy hammer.
Step 2. Check for sagging end panel.
Add rubber seal material to seal on outer edge of hinged roof until seal meets top edge of
panel door.
Step 3. Check lip of block seal at inner rear corner of hinged roof to see if it is out of position.
Move side panel out to disengage corner block seal. Push seal lip up into correct position
so end panel door properly engages when side panel is retracted.
Step 4. Check for loose or worn seals.
Replace worn seals (para. 12-25).
END OF TESTING!
67. DOOR LOCK WILL NOT OPERATE
Step 1. Check for jammed lock bolt.
If jammed, replace rear door lock assembly (para. 12-24).
Step 2. Check alinement of lock bolt and striker plate.
Add or remove shims behind lock until bolt properly engages striker plate (para. 12-24).
END OF TESTING!
68. HEATER WILL NOT IGNITE
WARNING
Diesel fuel is flammable. Do not perform this procedure near fire,
flame, or sparks. Injury or death to personnel could result.
Inspect heater fuel filter for dirty or clogged condition.
Step 1.
If fuel filter is dirty or clogged, notify your supervisor.
Inspect heater fuel lines for loose connections, leaks, obstructions, or damage.
Step 2.
a. Tighten loose connections.
b. Replace leaking, obstructed, or damaged fuel lines (TM 9-243).
Inspect heater fuel pump by draining and installing fuel filter bowl and turning heater
Step 3.
switch to "HEATER".
Replace defective heater fuel pump if fuel filter bowl does not fill with fuel. Notify your
supervisor.
Check electrical system (table 2-4, electrical troubleshooting, malfunction 38).
Step 4.
END OF TESTING!
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