Sullair ES--6 Series Operator's Manual And Parts List page 26

Section 6
MAINTENANCE
COIL REPLACEMENT
1. Remove the retaining cap, nameplate and cover.
2. Slip the yoke containing the coil and sleeves off
the solenoid base subassembly.
3. Reassemble in reverse order of disassembly.
Before doing compressor maintenance, discon-
nect compressor from power source and lock out
power source. Isolate compressor from line pres-
sure by closing recommended discharge shut- -
off valve and releasing all internal pressure from
compressor.
INLET CONTROL VALVE
Ref er t o F igur e 6 --
require replacement are the piston seal on the in-
take valve piston and gasket. Follow this procedure
for inlet control maintenance.
1. Remove the inlet filter assembly.
2. Disconnect tubing from intake control housing at
90 elbow.
3. Remove the two (2) 3/8" ferry head capscrews
securing the intake control housing to the inlet
plate.
4. Remove intake control housing assembly and
gasket.
5. Remove retaining ring, cap and intake check
spring from intake housing bore.
Figure 6- -7 Inlet Control Valve
* Repair Kit P/N 02250045--287
20
WARNING
!
7. T he only par t s whic h nor m ally
6. Remove socket head capscrew, washers, and
check spring from intake valve rod.
7. Remove intake valve from valve housing. Re-
move intake valve rod, check spring, spring re-
tainer and intake valve head.
8. Remove intake piston from intake/inlet control
housing. Remove and discard old piston seal
from intake piston.
9. Clean intake housing gasket surface and internal
piston bore.
10. Lubricate internal piston bore using lubricant sup-
plied with kit.
11. Install new piston seal onto piston.
12. Reinstall intake valve rod, check spring, spring re-
tainer and intake valve head into intake control
housing. Install assembled intake piston into in-
take control bore and onto intake valve rod.
13. Install washers. Apply screw lock adhesive pro-
vided in kit to socket head capscrew. Replace
socket head capscrew into the valve rod and
torque socket head capscrew to 18 to 24 in.--lbs.
(2.0 to 2.7Nm).
14. Install intake check spring, cap and retaining ring.
15. Replace gasket and reinstall the whole inlet con-
trol valve assembly.
16. Apply screw lock adhesive to inlet control housing
assembly ferry head capscrews and install.
Torque to 30 ft.--lbs. (40.7Nm).
17. Reconnect tubing to inlet control valve housing at
90 elbow.
*
*