Gradall 544D (9136-4003) Service Manual User Manual
Page 91
Figure 4-25. Model KC Ball/Spring Main Relief Valve
MODEL KC BALL/SPRING MAIN RELIEF VALVE
Item
No.
Part
No.
K-21001
K21002
K-7004*
1295-001
2709-001*
1136-001
1783-001
1698-001*
1268-001
1269-001
1233-001
1296-001
3230-001
1798-001
2942-001
1273-001
1271-001
1274-001
1222-001
1234-001
Description
Quantity
TORQUE RELIEF
CARTRIDGE TO
20 FT. LBS [27 Nm]
SERVICE KIT, Standard (Contains items 1, 2, 3, 4, 5, 6,
7 and 8, Spring 1296-001)
SERVICE KIT, High Pressure (Contains items 1, 2, 3, 4, 5, 6
7 and 8, Spring 1233-001)
SEAL KIT (Contains items 1, 2, 3, 4 and 5)
WASHER, Screw Seal
SEAL, O-Ring, Relief Body
SEAL, Ball Guide
WASHER, Back-Up
SEAL, O-Ring
BALL, 3/4 inch diameter
GUIDE, Ball
SPRING (High Pressure, 1401-2000 PSI)
SPRING (Low Pressure, 400-1400 PSI)
SPRING, Stainless (1400-2000 PSI)
BODY, Relief, without hole for lockwire (Standard)
BODY, Relief, with hole for lockwire (Optional)
NUT, Jam
SCREW, Adjusting
CAP, Acorn, Relief, without hole for lockwire (Standard)
CAP, Acorn, Relief, with hole for lockwire (Optional)
LOCKWIRE AND LEAD SEAL (Optional)
1
2
3
4
5
6
7
8
9
10
11
12
13
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
*Buna-N Seals are standard for all Gresen valve assemblies. For Viton seals contact the factory
4-21
Not sold seperately.
Order K-7004*