Carrier Supra 650 Operator's Manual download pdf (Page 40)

37

SERVICE SCHEDULE FOR SUPRA 950

Petroleum and

Synthetic Oil -

Without Bypass

At 250 Hours

D Check engine cooling system.

D Check and clean the air filter.

D Check all bolts, screws and unit mounting bolts

for tightness. Tighten as required.

D Check all belts.

Petroleum Oil

Without Bypass

At 1000 and ev-

ery 1000 hours

after

Synthetic Oil -

Without Bypass

At 1500, 3000

and 4000 hours

D Replace lube oil and filter.

D Check engine cooling system.

D Check and clean the air filter.

D Check all belts.

Petroleum and

Synthetic Oil

Without Bypass

At 1500 Hours

D Check fuel pump filter.

D Replace the cartridge of the dry air filter.

D Check battery terminals and fluid level.

D Check compressor oil level. Use polyol ester

oil (POE) approved by CARRIER.

D Check alternator brushes. Check for diesel and

standby hours.

D Check engine thermostat.

D Check defrost:

-- Check timer setting and function

-- Check refrigerant control valves

-- Fans stop or defrost damper closes

-- Defrost ends automatically

-- Water drains from evaporator

D Check fan motor brushes.

D Check and adjust rocker arms.

D Check belts as necessary.

Petroleum and

Synthetic Oil

Without Bypass

At 2000 Hours

D Replace oil filter.

D Clean radiator/condenser coil.

D Check refrigerant level.

Petroleum and

Synthetic Oil

Without Bypass

At 3000 Hours

D Change fan motor brushes.

D Check and rebuild alternator.

D

Check engine speed:

High -- 2300 to 2350

Low -- 1800 to 1850

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