Table 4-2. Organizational Troubleshooting (Cont).
TEST OR INSPECTION
Check for bent arm on counterbalance assembly (para 4-61 or 4-62).
Replace arm (para 4-61 or 4-62).
Check for looseness of guide clip.
Tighten screw securing guide clip (para 4-61 or 4-62).
Check to see if wire rope is off pulley.
Place wire rope on pulley and tighten wire rope (para 4-61 or 4-62).
Check for unequal tension on wire ropes.
Adjust wire ropes to equal tension (para 4-61 or 4-62).
29. FOLDING SIDE DOOR WILL NOT CLOSE PROPERLY
Check to see if lower folding side door closes first.
Lower folding side door must be closed first, with upper folding side door flange outside of
lower side door.
Check for improper mating of lower folding door pins with sockets on upper folding door.
Aline pins with sockets by adjusting wire ropes on counterbalance.
Check adjustment of side door clamp.
Adjust clamps to pull folding side door tight against frame.
30. SIDE WALLS
SIDE WALLS (M313)
ARE DIFFICULT TO EXPAND AND RETRACT
dirt or grit on rollers and sprockets of underframe retractable mechanism.
Remove covers and clean rollers and sprockets. Lubricate with grease (Item 10,
31. SIDE WALL WILL NOT LOCK IN RETRACTED POSITION.
Check to see if front edge of side wall is fully retracted.
Place a heavy wood block against rubrail at front edge of side wall. Strike wood block with
hammer to position wall against frame.
Check to see if top of side wall is too far out to engage edge of hinged roof.
Place a heavy wood block against flat surface of seal retainer opposite locking bar at top of
side wall. Strike wood block with hammer to position side wall.