SECTION 6: MAINTENANCE
AIR N ARC
®
200 SERIES ALL-IN-ONE POWER SYSTEM
®
PAGE - 70
090019-OP_r0
6. Replace the worn assembly with the complete
new replacement assembly, no. RC46522.
Reassemble the parts in order, taking care to:
• Spread the top and bottom sealing surfaces
of lower unloader gasket [
M
] with a light
coating of ISO68 oil (for a complete seal).
• Spread the top and bottom sealing surfaces
of upper cover gasket [
G
] with a light coating
of ISO68 oil (for a complete seal).
7. Place upper cover into position and secure
with the two (2) spring washers [
E
] and
capscrews [
D
]. Consult
Table 6A: Bolt
Torques for Compressor
for proper torque
specification.
8. Test to confirm that the valve functions freely
by depressing the piston with a small screw
driver through the top air port. The valve
should depress with little force and spring
back.
9. Replace the tee: coat the threads with pipe
sealant.
10. Replace the copper valve tubing [
A
] into
position on the tee [
B
] and tighten.
11. Dispose of discarded valve assembly within
the guidelines of all applicable local, regional
and/or federal laws.
6.5.3.3 HIGH PRESSURE VALVE
MAINTENANCE
Refer to
Figure 6-5
for high pressure valve assembly.
1. Locate the high pressure unloader valve [
C
].
2. Remove the copper tubing [
A
] connected to
the elbow [
B
] on the top of the high pressure
unloader valve [
C
].
3. Unscrew the valve body [
D
].
4. Remove the valve assembly, which consist of:
• Valve body [
D
]
• O-ring [
E
]
• Piston [
F
]
• Spring [
G
]
TOOLS/ITEMS NEEDED
REPLACEMENT
PART(S)
Wrench
High Pressure Valve
Assembly
Replacement Kit No.
RC21654
(if applicable)
Screw Driver (Small)
ISO68 Compressor Oil (To
lubricate the gaskets)
Pipe Sealant
WARNING
Relieve pressure from the compressor
system before performing maintenance
on any components.
WARNING
Before performing maintenance or repair
operations on the machine, ensure that
all power has been removed and locked
out to prevent accidental start-up.
