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Maintenance
19
AJ1032
Quality Troubleshooting
Problem Cause Solution
“Crow’s feet” and
wrinkles close to buttons,
seams or folds
Old or hard padding Check by placing a piece of cotton flannel on buck and pressing
garment again. If quality improves, replace padding.
Clogged air filter causing
low air pressure
Clean air filter.
Low incoming air pressure Check the air pressure gauge at air inlet. It should be a constant
80 psi. Turn regulator knob to adjust if required.
Low pressing pressure due
to blow by in pressing
pressure air cylinder
When press head is closed and pressing pressure is applied,
check oil holes of pressing pressure air cylinder with a soap and
water solution for leaks. Air leaking out oil holes would indicate
blow by. Replace cylinder cup and seals.
Damp patches on padding Low head or buck
temperature
Check head surface temperature with a pyrometer or comparable
measuring device. Head temperature should be 325° to 340°F. If
temperature is below recommended range, review possible
causes below.
Clogged steam strainer* Clean steam strainer.
Low steam pressure Check pressure at steam connection. It should be a constant
100 psi minimum (115 psi is recommended). Make corrective
action to steam system as required.
Faulty steam trap or check
valve*
Check steam traps and check valves in steam outlet line for
proper operation. Clean or replace traps as necessary.
Brown stain on finished
garment
Accumulation of burnt
starch or dirt on padding
Replace padding.
Chemical residue in
garment from washer
Test pH of final rinse water from washer. It should be 7.
Rough finish on garment Garment pressed while too
dry
Before pressing, garments should be extracted or conditioned to
approximately 40% – 50% moisture retention. Garments should
be stored in plastic until time for pressing.
“Leave off” marks occur
where a portion of the
garment protrudes from
the buck
Improper head pressure
and/or alignment
Adjust head pressure and alignment.
* Customer-furnished
Table 4