Maintenance Program

A.Fans and Blowers:

• Lubricate all moving parts as required
• Adjust tension on all belt dries and align when necessary

B.Filters:

• Clean or replace

C.Motors and Motor Controls:

• Clean, oil and/or grease
• Check for overload under full operation
• Check contractors and clean as necessary
• Check time clock for proper setting
• Check and adjust operation of all electric or pneumatic controls

D.Gas Furnaces:

• Check combustion
• Check and clean pilot
• Check fan limit control
• Check pilot safety device
• Check automatic gas valve

E.Boilers:

• Check combustion
• Check and clean pilot
• Check fan limit control
• Check pilot safety device
• Check low water cut off
• Check automatic water feeder
• Check water strainer
• Check pressure regulator
• Check relief valve
• Drain and recharge expansion tank
• Blow down boiler and controls
• Check automatic gas valve
• Check boiler control settings
• Check steam valves and traps
• Adjust controls as required

F.Dampers (Automatic or Manual)

• Check and adjust for correct operation
• Check all linkage and adjust where necessary
• Check fire damper for fusible link

G.Compressors

• Lubricate all bearings as required
• Check oil level and pressure
• Check head pressure (Adjust if required)
• Check suction pressure (Adjust if required)
• Check head bolts and anchor bolts (Adjust if required)
• Check refrigerant charge
• Test for leaks
• Check rotation
• Align and tighten bolts
• Check amperage and voltage

H.Evaporate Condenser, Cooling Tower and Air Washer

• Lubricate all motors and pumps and fan bearings
• Check pump packing (Adjust or replace when required)
• Check coil (Scale or dirt)
• Check spray nozzles (Clean and adjust when required)
• Check water strainer (Clean when required)
• Check pump strainer (Clean when required)
• Check float control (Adjust when required)
• Check drip pan and drain connections
• Check drive belts (Align and adjust when required)
• Check rotation of fan
• Check bleeder line (Adjust when required)
• Check water valve setting
• Adjust automatic controls
• Drain and flush sump pan

I.Air Cooled Condensers

• Lubricate all motors and fan bearings as required
• Check pump packing
• Check coils (Scale and dirt)
• Check air intake screen (Clean when required)
• Check drip pan and drain connections
• Check drive belts (Align and adjust when required)
• Check rotation of fan
• Adjust automatic controls

J.Controls–Electric and/or Pneumatic

• Check thermostat contacts
• Check starter contacts
• Check damper motors
• Air control–drain water
• Clean air compressor intake
• Check air compressor oil
• Check air compressor motor
• Lubricate air compressor motor
• Spot check stats for calibration

K.Fin Coils (Water, Steam or Refrigerant)

• Check for leaks
• Check strainers
• Check coil face for dirt accumulation

L.Pad Type Evaporative Coolers

• Oil and adjust all motors, bearings and drives as required
• Adjust water distribution over pads
• Check pads for dirt, looseness, sagging or disintegration
• Flush sump and check for leaks
• Adjust float
• Oil and check pump and motor

M.Check Water Treatment Control

N.Boiler Water Treatment

• Take water analysis and make recommendations