TM 5-6675-321-14
Table 4-2.
TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6.
WAX COATING IS ROUGH, BUMPY, AND WAX FILAMENTS TRAIL FROM EDGE OF SHEET.
Step 1.
Check setting of LOW/HIGH thermostat.
(a) If in LOW range, increase setting one notch.
(b) Allow time for temperature to adjust. Feed scrap piece of
material through wax coater.
Repeat this procedure until
m a l f u n c t i o n i s c o r r e c t e d .
( c ) I f u n a b l e t o c o r r e c t m a l f u n c t i o n , p r o c e e d t o s t e p 2.
Step 2.
Check that wax coater is level.
(a) If wax coater is level, proceed to step 3.
( b ) L e v e l w a x c o a t e r.
Step 3.
Check that carriage roller is seated firmly in wax tray and
carriage support bar is not jammed.
( a ) I f c a r r i a g e s u p p o r t b a r i s f r e e , p r o c e e d t o s t e p 4 .
(b) Free carriage support bar.
Press down gently on both sides
o f c a r r i a g e r o l l e r t o s e a t f i r m l y.
Step 4.
Visually check gap between coating roller and doctor bar to be sure
i t i s e v e n .
Adjust gap clearance (paragraph 4-10.2).
7.
WAX BUILDS UP ON TOP ROLLER, STRIPPER FINGERS, OR DOCTOR BAR.
Step 1.
Check wax level in tray.
( a ) I f w a x l e v e l i s c o r r e c t , p r o c e e d t o s t e p 2.
(b) Break up pieces of new wax into small cubes and drop into
tray when OPERATE pilot light is on.
Step 2.
Visually check gap between top pressure roller and coating roller
to see if gap is too small or rollers are touching.
Adjust gap (paragraph 4-10.2).
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