OM−05850
G-R
MAINTENANCE & REPAIR
PAGE E − 3
PARTS LIST
GRP33−30, GRP33−30A And GRP33−30B Air Release Valves
This Parts List Represents Bill of Material Issue 1 For These Valves
NOTE: REPLACEMENT PART AVAILABILITY IS LIMITED TO THE ELASTOMERIC COMPONENTS ONLY.
ITEM
NO.
PART NAME
PART
NUMBER
QTY
MATL
CODE
1
PIPE PLUG
NOT AVAILABLE
1
2
ORIFICE
NOT AVAILABLE
1
3
HEX FLANGE SCREW
NOT AVAILABLE
14
4
UPPER BODY
NOT AVAILABLE
1
5
DIAPHRAGM
(GRP33−30)
38676−406
19060
2
DIAPHRAGM
(GRP33−30A)
38676−406
19410
2
DIAPHRAGM
(GRP33−30B)
38676−406
19400
2
6
LOWER BODY
NOT AVAILABLE
1
7
HEX FLANGED LOCK NUT
NOT AVAILABLE
14
8
COTTER PIN
NOT AVAILABLE
1
9
ADJUSTABLE RESTRICTOR
NOT AVAILABLE
1
10
RESTRICTOR O-RING
(GRP33−30)
S1556
−−−
1
RESTRICTOR O-RING
(GRP33−30A)
25154−020
−−−
1
RESTRICTOR O-RING
(GRP33−30B)
25158−520
−−−
1
11
U-RING
(GRP33−30)
25183−001
−−−
1
U-RING
(GRP33−30A)
25183−002
−−−
1
U-RING
(GRP33−30B)
25183−003
−−−
1
12
SPRING
NOT AVAILABLE
1
13
PLUNGER
NOT AVAILABLE
1
NOT SHOWN:
WARNING LABEL
38816−343
1
6.5 OZ. PROPYLENE GLYCOL
1
INDICATES PARTS RECOMMENDED FOR STOCK
COMMERCIALLY AVAILABLE AS SIERRA ANTI-FREEZE/COOLANT" IN 1 GALLON (3,8 L) CONTAINER
NOTE: AIR RELEASE VALVES ARE NOT READILY IDENTIFIABLE BY THEIR INDIVIDUAL PART NUMBERS.
IF YOUR SPECIFIC AIR RELEASE VALVE MODEL IS UNKNOWN, REFER TO THE PART NUMBER
AND MATERIAL CODES MOLDED INTO THE DIAPHRAGMS TO DETERMINE WHICH MODEL AIR
RELEASE VALVE YOU HAVE.
