Reece 32

A36 4. AUTOMATIC PATCH LOADING CIRCUIT TROUBLESHOOTING

MACHINE CONDITIONS

TEST-REMEDY

SYMPTOM

@) VISUAL CHECK. Roller lever on Auto- matic Sew switch is closin~ when arm

Machirie Starts

MAIN SWITCH _. Pull to Start

sewing when loader CLAMP TABLE_ Back

SELECTOR __ELEC

arm.goes in.

goes in. Readjust switch (See page A58 .J Also check Patch Folding Safety switch.

LOADING ___ AUTO FRONT

® Set voltmeter to'.the 50 volt de scale. Connec~ the negativl! probe to ground

Patch Loader Motor does not stop when machine is sewing.

MAIN SWITCH_Pull to Start

P&E

SELECTOR LOADING

or 142 and the positive probe to 132. The 24 volt de circuit should be broken

AUTO FRONT

LOADER SEW_ ON Remove pa(ch tray arm. CLAMP TABLE __ Back Sewing circuit energized

when the Loader Motor switch is

actuated. If it is not, replace the Loader

Motor switch.

@ VISUAL CHECK. Check motor brake to see that motor does not coast beyond the opening of Loader Motor switch.

Same as above

Same as above

Machine fails to sew after Patch Loader

(Reference only)

See Sew/Center Dense Circuit Trouble-

shooting Chart page A39.

Motor Circuit is checked.

@ Set voltmeter to the 50 volt de scale. Connect the negative probe to ground

Patch loader ~ill not start in MANUAL

MAIN SWITCH __Pull to Start

SELECTOR__ P & E

operation for maintenance adjustments.

or 142 and the positive probe to 9Y. .If a 24 volt de reading is obtained, the Length switch is good. If not, replace

LOADING-··· MAN FRONT

CLAMP SAFETY_ REP CLAMP TABLE _ Back Knee switch __ Closed

switch.

® Set voltmeter to the 50 volt de stale. Connect the negative probe to ground or 142 and the positiv9 probe to 132. If a 24 volt de reading is obtained, the APL Motor Manual Start Switch and CLAMP SAFETY switch are good. If not, replace faulty switch.

Same as above

Same as above

From the Library of Superior Sewing Machine & Supply LLC