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PREVENTIVE MAINTENANCE - TO BE PERFORMED BY TRAINED SERVICE PROVIDERS ONLY - 2 of 5
WARNING! TURN OFF CASE BEFORE PERFORMING PREVENTIVE MAINTENANCE!
QUARTERLY PREVENTIVE MAINTENANCE INSTRUCTIONS
Under Case Cleaning:
Whenever refrigeration assembly is removed from underside of case, vacuum (or broom) under case to
remove all dust, debris and dirt that may collect.
Condenser Coil Fins / Refrigeration Assembly Without Evaporator Pan:
Warning! Disconnect power from case before beginning process!
A. Remove front grille (by removing thumbscrews).
B. Slide out refrigeration assembly.
C. Use vacuum (in suction mode) and brush to dislodge and remove dust both in and on coil fins.
D. Place damp rags around condensing fan motor brackets to collect airborne dust.
E. Switch vacuum to blow mode to blow air through condenser coils and into damp rags on fans. Blow
entire surface of condensing coil to assure that all entrenched dust is removed. Caution! Coil fins are
sharp!
F. While refrigeration assembly is out from under case, use a moist cloth to wipe off dust & debris that
collects on various parts (fans, sight glass, overflow pan, etc.).
G. Slide refrigeration assembly back under case.
H. Replace front grille to case (reattach with thumbscrews).
See illustrations below.
Condenser
Coil Tubing
Condenser
Coils Fins
Refrigeration
Assembly
Front Grille
Enlarged, Rotated View of Refrigeration
Assembly (Yours May Vary)
Compressor
Filter
Drier
Condenser
Coil Fan
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