HEC-Series Service Manual
MAINTENANCE
10/21/01
7-8
Preventive Maintenance Program
Model # ___________________ Serial # ____________________ Date _____________
Customer/Address ___________________________________________________________
___________________________________________________________
Mgr. Name ______________________ Service Tech Name __________________________
The following service performed and checked:
Last maintenance performed (approx. date) ___/___/___
Scale condition of water tank & tubes (good - fair - poor)
All drains freely draining (water tank, drip pan, ice bin)
Water distributors cleaned
Ice machine cleaner circulated through system
AC condenser clean (if applicable)
Voltage at machine (actual reading) L1-L2 ______, L2-L3______, L1-L3______
Compressor amps (halfway through the freeze cycle) L1______ L2______ L3______
Cutter motor amps (cutting ice) _____
Water pump amps _____
AC condenser motor amps (if applicable) _____
Crankcase heater heating
Refrigerant leak (okay - high - low)
Leak checked system ______ leaks found & repaired
Compressor oil level (i.e, 1/4 - 1/2 - 3/4 - low - high)
Gear reducer oil (okay - low)
PSIG, low pressure switch set @ 20 psi
PSIG, high pressure switch set @ 300 psi
Bin stat(s) installed and operate properly
Make-up water float valve adjusted okay
Adjustable blowdown adjusted for clear ice
°
F suction line superheat at TXV (after at least two minutes into the freeze) _____
°
F
CYL__________ CRU________ Suction PSIG at end of freeze
CYL_____/____ CRU____/____ Suction PSIG during harvest (high/low)
______ PSIG, CPR valve adjustment
CYL__________ CRU________ Discharge PSIG at end of freeze
______
°
F/
°
C at machine ______
°
F/
°
C outside ambient (at condenser if applicable)
______
°
F/
°
C make-up water temperature
CYL ______ CRU _____ Freeze cycle time (minutes)
CYL ______ CRU _____ Harvest cycle time (minutes)
CYL ______ CRU _____ First ice out (seconds)
CYL ______ CRU _____ All ice out (seconds)
CYL ______ CRU _____ Pounds of ice per cycle
Capacity check: ice # per cycle X 1440 = _________ lbs. (24 hr. capacity)
total cycle time (min) ______
Remarks:___________________________________________________________________
___________________________________________________________________________
Summary of Contents for HEC-10
Page 1: ...HEC SERVICE MANUAL ...
Page 95: ...HEC Series Service Manual SERVICE OPERATIONS 10 21 01 9 13 FIGURE 9 9 Cutter Water Tank Parts ...
Page 96: ...HEC Series Service Manual SERVICE OPERATIONS 10 21 01 9 14 FIGURE 9 10 Cutter Drive Parts ...
Page 97: ...HEC Series Service Manual SERVICE OPERATIONS 10 21 01 9 15 FIGURE 9 11 Cutter Parts ...
Page 106: ...HEC Series Service Manual MODEL NUMBER STRUCTURE 10 21 01 10 1 10 Model Number Structure ...
