F
OR
M
ODELS
: JGI, JGM, JGN, JGP
AND
JGQ
S
ECTION
5 - M
AINTENANCE
PAGE 5-41
Valves - Reassembly
1.
The 1/32 inches (0.8 mm) thick soft metallic flat gasket should be coated with an
anti-seize lubricant. It can then be either inserted into the valve pocket or stuck
onto the valve. In either case, care must be taken to keep this gasket from falling
into the gas passage.
2.
DISCHARGE
A-0640-B
SUCTION
A-0640-A
F
IGURE
5-30 C
OMPRESSOR
C
YLINDER
V
ALVE
P
OCKET
I
DENTIFACATION
P
LATES
Suction
Symbol
Discharge
Symbol
Be sure that suction valves are
installed only in suction pockets
and discharge valves only in dis-
charge pockets. The valve pock-
ets have identification plates. All
valves are installed with the
valve fastener(s) positioned
away from the cylinder bore. If a
valve is not marked for suction
or discharge, or to verify the
type, depress the valve plate by
hand. It is recommended that a
F
IGURE
5-29 T
YPICAL
V
ALVE
A
SSEMBLIES
Cylinder
Bore
Wafer
Spring
Cushion
Plate
Guard
Discharge
Valve Springs
Wafer Spring
Plastic
Retainer-Keeper
Valve
Cap
Metallic Flat
Valve Gasket
Suction
Valve
Plate
Valve Retainer
Threaded Washer
12-Point Cap Screw
(Center Bolt)
Discharge
Valve Plate
Seat
Guide
Ring
Cushion
Plate
Valve Cap
O-Ring
Guard
Seat
1/8 in.
(3 mm)
Suction
Valve
Springs
DISCHARGE VALVE
SUCTION VALVE
Guide
Ring
Metallic Flat
Valve Gasket
Special Cap Screws with reduced
body diameter to resist fatigue