Vanair 050817 - High Pressure Valve Replacement

AIR N ARC
®
200 SERIES ALL-IN-ONE POWER SYSTEM
®
SECTION 6: MAINTENANCE
090019-OP_r0 PAGE - 71
• Retaining nut [H]
5. Remove o-ring [E] from piston shaft.
6. Clean the piston [F], bore (inside of valve
body [D]) and spring [G] with soap and water.
7. Dry the assembly parts.
8. Apply a small amount of o-ring lubricant to o-
ring [E], and reset onto the piston shaft [F].
9. Reset and tighten the valve body [D].
10. 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.
11. Replace the elbow: coat the threads with
pipe sealant.
12. Replace the copper valve tubing [A] into
position on the elbow [B] and tighten.
6.5.3.4 HIGH PRESSURE VALVE REPLACEMENT
Refer to Figure 6-5 for high pressure valve assembly.
1. Locate the high pressure unloader valve [A].
NOTE
After disassembling the valve, if the parts
appear to be too worn or damaged, order
the High Pressure Valve Assembly
Replacement Kit no. RC21654, and
consult Section 6.5.3.4, High Pressure
Valve Replacement.
TOOLS/ITEMS NEEDED
REPLACEMENT
PART(S)
Wrench High Pressure Valve
Assembly
Replacement Kit No.
RC21654
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.
KEY DESCRIPTION
A VALVE TUBING (COPPER)
B ELBOW
C
HIGH PRESSURE VALVE
I
D VALVE BODY
E O-RING
F PISTON
G SPRING
H RETAINING NUT
I
Order High Pressure Valve
Assembly Replacement Kit no.
RC21654.
Figure 6-5: High Pressure Unloader
Valve Replacement Kit
B
A
C
D
B
E
F
G
H
C
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.