Hatco pmg-60m-0705(7) User Manual

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Form No. PMG-60M-0705
22
MAINTENANCE
q. Remove the two (2) side screws from the
burner and lift the heat exchanger out of the
bracket.
r. Remove the heat exchanger high limit switch
from old heat exchanger and place onto new.
s. Reverse steps (h) - (r) to reassemble unit.
t. Seal threads of drain plug with a food grade
sealant to prevent leakage and install in 
new exchanger.
u. Reconnect water and gas lines and relief 
valve plumbing.
v. Close drain valve under booster heater and
turn on water supply to booster, then turn on
electrical supply and allow pump to displace
trapped air out of the new heat exchanger,
then purge this air out of the booster by
running several rinse cycles on the
dishmachine. CHECK ALL FITTINGS FOR
LEAKS.
w. Turn on gas supply (CHECK ALL FITTINGS
FOR LEAKS) and follow start-up procedures.
12.Blended Phosphate Water  Treatment Cartridge
Replacement
a. Shut off electrical power to the heater.
b. Shut off water supply and open drain valve to
remove water in piping.
c. Loosen canister using wrench attached.
d. Remove canister and discard depleted
cartridge.
e. Use a clean damp cloth, wipe interior of 
canister clean.
NOTE: Make sure O-ring seal is properly placed 
in canister.
f. Reverse above procedure to reinstall.
WARNING
Genuine Hatco Replacement Parts are
specified to operate safely in the environments
in which they are used. Some aftermarket or
generic replacement parts do not have the
characteristics that will allow them to operate
safely in Hatco equipment. It is essential to use
Hatco Replacement Parts when repairing
Hatco equipment. Failure to use Hatco
Replacement Parts may subject operators of
the equipment to hazardous electrical voltage,
resulting in electrical shock or burn.
WARNING
This product has no “user” serviceable parts.
To avoid damage to the unit or injury to
personnel, use only Authorized Hatco Service
Agents and Genuine Hatco Parts when service
is required.
WARNING
If service is required on this unit, contact your
Authorized Hatco Service Agent, or contact the
Hatco Service Department at 800-558-0607 or 
414-671-6350; fax 800-690-2966 or
International fax 414-671-3976.