Gradall 544D (9136-4003) Service Manual - Manual (Page 93)

Figure 4-27. No Relief “NR” Plug (Work Port Relief Valves).
NO RELIEF “NR” PLUG (WORK PORT RELIEF VALVES)
No Relief (NR) Plug
REPLACEMENT KIT (Contains all items listed below)
PLUG, NR, V30
SEAL, O-Ring
RING, Back-Up,
SEAL O-Ring
*Buna-N seals are standard for all Gresen valve assemblies. For Viton seals contact the factory.
K-7505
11802-001
1615-001*
6619-001
6815-002* 1
2
3
4
Item
No. Part
No.
Description
Quantity
Per Assembly
1
1
1
1
4-23
Not sold seperately.
Order K-7506