Henny Penny PFG-690, Technical Manual, Page: 34 / 106

Model 690
2-16
2-17. REMOVAL & CLEANING 2. Use a wrench to loosen the valve from the pipe tee; turn
OF SAFETY RELIEF VALVE counterclockwise to remove.
(Continued)
3. Clean the inside of the pipe tee with hot water.
Turn the safety relief valve towards the rear of fryer when
reinstalling safety relief valve.
4. Immerse the safety relief valve in a soapy water solution
for 24 hours. Use a 1 to 1 dilution rate. The valve cannot
be disassembled. It is factory preset to open at 14-1/2 psi
(999 mbar). If it does not open or close, it must be replaced.
DO NOT DISASSEMBLE OR MODIFY THIS VALVE.
TAMPERING WITH THIS VALVE COULD CAUSE
SERIOUS INjURIES AND WILL VOID AGENCY
APPROVALS AND APPLIANCE WARRANTY.
2-18. PRESSURE GAUGE
Calibration Steps
The pressure gauge can be recalibrated should it be out of
adjustment.
1. Remove the rim and glass.
2. If the indication hand shows a pressure or vacuum reading
when it should stand at “0”, turn the recalibrator screw
aDJUStiNG
in the same direction in which the indicating hand is to
SCRew
be moved until the hand stands at a proper “0” position.
3. Replace the rim and glass.
Cleaning Steps
1. Remove the gauge and check inside the pipe fittings from
deadweight body. Make certain fittings are clean and
open.
2. Clean and reinstall the gauge.
Oct. 2002