DeVillbiss Air Power Company SP-100-F Troubleshooting Guide download pdf (Page 13)

THE AIR COMPRESSOR CYCLES AUTOMATI-

CALLY WHEN POWER IS ON. DURING MAIN-

TENANCE, YOU COULD BE EXPOSED TO

VOLTAGE SOURCES, COMPRESSED AIR OR

MOVING PARTS. PERSONAL INJURIES CAN

OCCUR. UNPLUG THE UNIT AND BLEED OFF

ALL AIR TANK PRESSURE BEFORE DOING

ANY MAINTENANCE OR REPAIR. NEVER OP-

ERATE THE UNIT WITH THE BELT GUARD

REMOVED.

To ensure efficient operation and longer life of the air

compressor, a routine maintenance schedule should be

prepared and followed. The following routine mainte-

nance schedule is geared to an air compressor in a

normal working environment operating on a daily basis.

If necessary, the schedule should be modified to suit the

conditions under which your air compressor is used.

The modifications will depend upon the hours of opera-

tion and the working environment. An air compressor in

an extremely dirty and/or hostile environment will re-

quire a greater frequency of all maintenance checks.

Lubricate compressor motor (if required) according to

the motor manufacturer's instructions, which are at-

tached to the motor.

Routine Maintenance Schedule

Before each use:

1. Check oil level. Add if necessary.

2. Drain water from the air tanks, any moisture separa-

tors or filters.

3. Manually check all safety valves to make sure they

are operating properly.

4. Inspect for oil leaks and repair any leaks found.

5. Inspect air filter, replace if necessary.

Every 40 Hours of Operation:

1. Clean and inspect the air intake filter; replace if

necesssary.

2. Inspect condition of drive belt; replace if necessary.

Every 100 Hours of Operation:

1. Drain and refill compressor crankcase with 16 fluid

ounces (473.2 ml) of clean compressor oil or Castrol

Heavy Duty 30 weight oil.

2. Increase frequency of oil changes if humidity or

operating conditions are extreme.

Every 160 Hours of Operation:

1. Check drive belt tension; adjust if necessary. (Refer

to "Service Instructions" in this manual.)

2. Inspect air lines and fittings for leaks; correct as

necessary.

3. Check the alignment of the motor pulley to the

flywheel. If necessary, align to within 1/16" on

centerline.

Each Year of Operation or if a Problem is Suspected:

If you have properly serviced your air compressor, oil

levels are correct, belts are aligned, and the unit is not

functioning properly, check the condition of the air

compressor pump intake and exhaust valves. Refer

to the "Service Instructions". Replace any valves in

the pump that are damaged or worn out.

If you feel your air compressor still does not function

properly after checking or replacing the intake and

exhaust valves, contact your nearest DeVilbiss Repair

Center at 1-800-888-2468, Ext. 2, then 1.

Air Compressor Unit

A clean air compressor runs cooler and provides longer

service. Clean or blow off fins and any other parts of the

air compressor that collect dust or dirt. Do not place

tags, containers or other material on or against the

ventilation openings in the belt guard. Adequate venti-

lation is necessary to maintain proper air compressor

operating temperature.

Compressor Pump Air Intake Filter -

Inspection and Replacement

Keep the air filter clean at all times. Do not operate

the air compressor with the air filter removed.

A dirty air filter will not allow the compressor pump to

operate at full capacity. Before you use the compressor

pump, check the air filter to be sure it is clean and in

place.

If it is dirty, replace it with a new filter. On some

models,the filter may be removed by using a pair of

needle nose pliers or a screwdriver. Pull or pry out the

old filter and carefully clean the filter area. Push in the

new air filter.

Overfilling with oil will cause premature pump

failure. Do not overfill.

Compressor Oil - Checking and Changing

Check oil level in the pump before each use. Remove

the oil fill plug. The oil level should be even with the

top of the fill hole and must not be lower than 3/8"

from the top (6 threads) at any time. It is recom-

mended that the oil be changed after every 100 hours of

operation. To drain the oil, remove the oil drain plug and

collect the oil in a suitable container. Be sure to replace

the plug securely before adding new oil. Use compres-

sor oil or Castrol Heavy Duty 30 weight oil. Crankcase oil

capacity is 16 fluid ounces (473.2 ml).

Check Valve - Inspection and

Replacement

Remove and inspect the check valve at least once a year

or more often if the air compressor is heavily used.

Moisture and other contaminants in the hot compressed

air will cause an accumulation of a carbon-like residue

on the working parts. If the valve has heavy carbon

build-up, it should be replaced.

MAINTENANCE

SERVICE INSTRUCTIONS

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DeVillbiss Air Power Company SP-100-F Troubleshooting Guide Page 13

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