Smokehouse 9. Prove low fire start Solution(s): ● Repair or replace gas burner linkage. ● Check for proper position and tighten set screw on crank arm. ● Tighten set screw on cam. ● Replace microswitch. ● Tighten microswitch on bracket. 10. Exhaust fan running (if used) Solution(s): ● Tighten mounting screws. ● Replace contacts. ● Replace magnetic coil on exhaust fan starter. Solution(s): ● Tighten microswitch on mounting bracket inside actuator head. ● Replace microswitch. ● Check for fluid around the valves. ● They are hydraulic and faulty seals could prevent them from opening. 11. Low gas pressure cut-off Solution(s): ● Reset low gas pressure switch. ● Turn gas on. ● Replace vent valve coil. ● Gas pressure is too low when the burner is in high fire position. PIECO MODEL 16 FEATURES PRODUCTS & SERVICES * CHUCK SIZE: 315 MM * GRINDER PARTS * WHEEL DRIVE: 7.5 H.P. * KNIVES * GRINDING WHEEL: 8X3X3.3 IN. * PLATES * SWING: * GRINDING WHEELS * AUTO DEMAG. * REBUILDING HEADS & SCREWS * ELECTRONIC BRAKE * RECONDITIONING OF MECHANICAL DEBONING EQUIPMENT Other Models of Surface Grinders or Custom Machinery Available CALL US FOR ALL YOUR GRINDING NEEDS TOLL FREE: 800-334-3929 * FAX:563-927-2310 * WEBSITE: www.pieco.com For more information, see Page 69 30 I MEAT&POULTRY I February 2005 I 13. High temperature limits supply air Solution(s): ● Tighten main blower belts. ● Reset high temperature limit switch. ● The thermal assembly may be bad and the limit switch replaced. 14. Purge timer Terminal No. 5 Solution(s): ● Replace purge timer. ● Do NOT turn to zero. ● Newer systems have purge times built into combustion safeguard unit, which can be replaced. ● Older systems still using separate timers should be updated. 16. Flame safeguard terminal No. 3 Solution: ● Replace flame safeguard. ROTARY SURFACE GRINDERS * OPTIONAL POWERFEED 12. High gas pressure cut-off Solution(s): ● Check gas pressure. ● Reset high gas pressure switch. ● Check for dirt in seal of main gas regulator. ● Replace microswitch or ruptured diaphragm. 15. Flame safeguard terminal No. 4 Solution: ● Replace flame safeguard. P.O. BOX 86 MANCHESTER, IOWA 52057 18 IN. ● Replace pressure microswitch. www.MEATPOULTRY.com 17. Pilot solenoid on Solution: ● Replace timer 18. Flame safeguard terminal No. 5 Solution(s): ● Check voltage at flame safeguard. ● Replace flame safeguard. ● Check U.V. sensor. ● Check U.V. tube for positive pressure. ● Check U.V. gasket for good seal, so no steam can reach the fire eye. *(Note about items 14 to 18: Older systems should be updated with new combustion safeguard components). Source: Alkar, Lodi, Wis.http://www.pieco.com http://www.MEATPOULTRY.com