Craftsman 16781 Owners Manual - Page 20

Perform the Break-in Procedure.

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4. Using an adjustable wrench loosen pressure relief tube nut at air tank and pressure switch. Carefully move pressure relief tube away from check valve. 5. Unscrew the check valve (turn counterclockwise) using a 7/8" open end wrench. NOTE the orientation for reassembly. 6. Using a screwdriver, carefully push the valve disc up and down. NOTE: The valve disc should move freely up and down on a spring which holds the valve disc in the closed position, if not the check valve needs to be cleaned or replaced. position nothing is visible. In closed position disc is visible, 7. Clean or replace the check valve. A solvent, such as paint or varnish remover can be used to clean the check valve. 8. Apply sealant to the check valve threads. Reinstall the check valve (turn clockwise). 9. Replace the pressure release tube. Tighten nuts. 10. Replace the outlet tube and tighten nuts. 11. Perform the Break-in Procedure. See "Break-in Procedure" in the Operation section. ADDiTiONAL SERVICE Disassembly or service of the air compressor beyond what is covered in this manual is not recommended. If additional service is required, contact your nearest Authorized Warranty Service Center. Before you store the air compressor, make sure you do the following: 1. Review the Maintenance section on the preceding pages and perform scheduled maintenance as necessary. 2. Set the On/Auto/Off lever to "Off". 3. Close the globe valve. 4. Remove the air tool or accessory. 5. Open the globe valve and allow the air to slowly bleed from the air tank until tank pressure is approximately 20 PSI. 6. Drain water from air tank by opening drain valve on bottom of tank. _ Winattheer awirill tacnokn.denifse not drained, water will corrode and weaken the air tank causing a risk of air tank rupture. 7. After the water has been drained, close the drain or drain valve. NOTE: If drain valve is plugged, release all air pressure. The valve can then be removed, cleaned, then reinstalled. 8. Protect the air hose from damage (such as being stepped on or run over). 1000002023 20 ENG

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4.
Using an adjustable
wrench
loosen pressure relief tube nut
at air tank and pressure switch.
Carefully move pressure relief tube
away from check valve.
5.
Unscrew
the check
valve (turn
counterclockwise)
using a 7/8"
open end wrench.
NOTE the ori-
entation for reassembly.
6.
Using a screwdriver,
carefully
push the valve disc up and down.
NOTE: The valve disc should
move freely up and down on a
spring which holds the valve disc
in the closed
position,
if not the
check valve needs to be cleaned
or replaced.
position
nothing
is
visible.
In closed
position
disc
is visible,
7.
Clean or replace the check valve.
A solvent,
such as paint or varnish
remover can be used to clean the
check valve.
8.
Apply sealant to the check valve
threads.
Reinstall the check valve
(turn clockwise).
9.
Replace the pressure
release tube.
Tighten nuts.
10.
Replace the outlet tube and tight-
en nuts.
11.
Perform the Break-in Procedure.
See "Break-in
Procedure"
in the
Operation
section.
ADDiTiONAL
SERVICE
Disassembly
or service of the air
compressor
beyond
what is covered
in this manual is not recommended.
If additional
service is required,
con-
tact your nearest Authorized
Warranty
Service
Center.
Before you store the air compressor,
make sure you do the following:
1.
Review the Maintenance
section
on the preceding
pages and per-
form scheduled
maintenance
as
necessary.
2.
Set the On/Auto/Off
lever to "Off".
3.
Close the globe valve.
4.
Remove the air tool or accessory.
5.
Open the globe valve and allow
the air to slowly bleed from the air
tank until tank pressure
is approxi-
mately 20 PSI.
6.
Drain water from air tank by open-
ing drain valve on bottom
of tank.
_
Water
will
condense
in
the air tank.
if
not drained,
water
will
corrode
and
weaken
the
air tank
causing
a risk
of air tank
rupture.
7.
After the water has been drained,
close the drain or drain valve.
NOTE: If drain valve is plugged,
release all air pressure.
The valve can
then be removed,
cleaned, then rein-
stalled.
8.
Protect the air hose from damage
(such as being stepped
on or run
over).
1000002023
20 ENG