Winston Industries PF56C Manuel de service Page 172

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CAUTION:
Utilize care in performing Step 6. Due to location and amount of torque required
to remove nuts, wear gloves for protection in the case of wrench slipping.
6.
Remove the three (3) nuts securing front block to top of fryer. Remove defective front
block.
7.
Remove any residue of old silicone sealant from top of fryer.
3.
Apply silicone sealant to entire base of new front block and mount on fryer. Place lock
washers on bolts end tighten the three (3) nuts securing front block to fryer.
9.
Replace the four (4) screws securing relay panel to side panels.
10.
Replace the four (4) screws securing escutcheon to relay panel.
11.
Replace the two (2) screws securing eyebrow to relay panel and place unit back into service.
REPLACE MAIN CIRCUIT BOARD
Tools: Phillips Screwdriver #2; Nut Driver -11/32”
Procedure:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
DANGER:
Turn off electrical power, disconnect electrical power supply, drain shortening
and allow to cool. If unit is herdwired, CIRCUIT BREAKER MUST BE OFF.
Remove the two (2) screws securing eyebrow to relay panel and save for reuse.
Remove the four (4) screws securing escutcheon to relay panel and save for reuse. Lower
escutcheon slowly until secure in open position.
Unplug the 15 pin molex connector from circuit board.
Remove the four (4) nuts securing circuit board to esctcheon.
CAUTION: Pull circuit board back from escutcheon slowly until membrane panel con-
nector strip is visible. Unplug strip from circuit board.
Plug strip into new circuit board. NOTE: Verify pins in strip align properly with pins in
circuit board.
Replace the four (4) nuts securing new circuit board to escutcheon.
Plug molex connector into circuit board.
Replace the four (4) screws securing escutcheon to relay panel.
Replace the two (2) screws securing eyebrow to rolay panel.
NOTE: Progrmming of new circuit board may be required. Verify programming in each
channel prior to placing unit back into service.
WINSTON
59
LIT.6710/REV.0/9-91
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