Gradall 544D (9136-4003) Service Manual User Manual
Page 92

Figure 4-26. Model RP60 Pilot-Operated Main Relief Valve.
MODEL RP60 PILOT-OPERATED MAIN RELIEF VALVE
K-19004*
6884-001*
6814-002*
2709-001*
9020-019
1660-001*
1783-001
1698-001*
12675-001
10298-001
12676-001
12674-001
8475-001
10071-001
10059-001
11059-001
10034-001
9302-006
8956-001
10035-001
10852-005
SERVICE KIT (Contains items 1 thru 7)
SEAL, O-Ring
SEAL, O-Ring
SEAL, O-Ring
RING, Back-Up
SEAL, O-Ring
RlNG-Back-Up
SEAL, O-Ring
FILTER
RING, Retaining
POPPET, Main
SPRING
POPPET, Relief
BODY, Relief
SPRING
BODY, Pilot Assembly
COVER, Tamperproof (RP60N only)
NUT, Hex Jam, 3/8" - 24
SCREW, Adjustment
WASHER, RP60N (Shown)
WASHER, ID, RP60A (Not Shown)
*Buna-N seals are standard for all Gresen valve assemblies. For Viton seals contact the factory.
NOTE
Due to close tolerances on
working parts, Model RP60
is not field serviceable. If
replacement is required, con-
tact the factory.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Item
No.
Part
No.
Description
Quantity
4-22
TOORQUE RELIEF
CARTRIDGE TO
20 FT. LBS.[27 Nm]
Not sold seperately.
Order K-19004*