Pulley And Flywheel - Alignment; Manifold/Regulator Assembly - Removal And Installation; Separate Regulator Or Shut-Off Valve - Replacement; Servicing Intake And Exhaust Valves - Craftsman MG-OILLUBE Air compressor Manuallines

..... SERVICE INSTRUCTIONS 1
13. Remove oil fill plug. Slowly add 16 fluid ounces of
special compressor oil, Sears 9-16426 or SAE 20-
20W SF motor oil. (Under winter-type conditions
use single weight SAE 10W oil.) Reinstall oil fill
plug. Refer to "Initial Start-Up Procedures" in this
manual. These instructions must be followed to
properly break in the new pump.
14. Turn the fused disconnect or circuit breaker to the
ON position.
15. Perform the "Break-in Procedures" as described in
this manual.
Separate Regulator or Shut-Off
Valve - Replacement
For replacement of separate regulator or shut-off
valve, remove component. Apply sealant to valve or
regulator threads. Reinstall component by turning
clockwise. Do not overtighten.
Pulley and Flywheel - Alignment
The compressor flywheel and motor pulley grooves
must be in-line (in the same plane) within 1/32" to
assure belt alignment within sheave grooves. To check
alignment, disconnect electrical power and remove the
beltguard. Place a straight edge against the outside of
the flywheel and measure the distance from it to the
nearest groove. Alignment is achieved when the other
end of the straight edge is within 1/32" of the measured
dimension at the pulley grooves.
Manifold/Regulator Assembly -
Removal and Installation
For models equipped with a combined manifold and
regulator, perform the following steps:
1. Removethe beltguard. See"Belt Guard - Removal
and Installation" in this manual.
2. Remove the regulator panel rut by turning it counter-
clockwise. As this nut is being removed, it will push
off the snap-on regulator knob.
3. Unscrew and remove the air outlet adapter.
4. Unscrew and remove the safety valve and washer.
5. Using a flat-bladed screwdriver, push down on the
top brass ring of the manifold tank fitting adapter,
while pulling up on the manifold tube.
6. Remove the manifold from the belt guard.
7. Other parts on the manifold/regulator can be re-
moved.
8. Reverse the above procedures for reinstalling parts.
Tighten the manifold tube nut to the manifold using
60 to 70 inch pounds. Tighten the safety valve until
it stops rotating. Push the manifold tube into the
tank fitting until it won_ go any further.
Servicing Intake and Exhaust
The intake and exhaust valves as well as the valve
plates and cylinder head will, over a period of time,
accumulate a residue of carbon-like material on their
surfaces. The material will decrease the efficiency of
the compressor. These components should be in-
spected whenever a problem is suspected and cleaned
or replaced with new parts. Refer to "Outfit Parts List",
if required. Use the following procedure to inspect the
parts.
1. Unplug compressor and relieve all air pressure
from the air tank.
2. Remove belt guard as noted in "Belt Guard -
Removal and Installation" in this manual.
3. Disconnect the pressure release and outlet lines
from the air compressor.
4. Remove the hardware securing the cylinder head
and remove the cylinder head and valve plate.
MANY SOLVENTS ARE HIGHLY FLAM-
MABLE AND A HEALTH HAZARD IF IN-
HALED. ALWAYS OBSERVE THE SOLVENT
MANUFACTURER'S SAFETY INSTRUC-
TIONS AND WARNINGS.
5. Clean carbon deposits in head cavities and valve
plates with lacquer thinner or other suitable solvent.
6. Clean the intake and exhaust valves with lacquer
thinner or other suitable solvent. Inspect valves; re-
place if necessary.
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