Gradall 544D (9136-4003) Service Manual - Manual (Page 75)

Figure 4-5. 4-Way, 4-Position Regenerative Work Section
4 - WAY, 4 - P O S I T I O N R E G E N E R AT I V E W O R K S E C T I O N
Item
No. Part
No.
Description
Quality
Per Section
SEAL KIT ( Contains items 2, 4, 5, 6 and 7 plus section seals )
SECTION SEAL KIT ( Contains items 2 and 3 plus section seals )
POSITIONER, Regenerative
SEAL, O-Ring
SEAL, O-Ring
SEAL, O-Ring
WASHER, Back up
SEAL, O-Ring
SEAL, O-Ring
PLUG, Load check
SPRING, Load check
POPPET, Load check
PLUG, NR
RETAINER, Seal
WASHER
RETAINER
SPOOL, 4-Way Regenerative
HOUSING, 4-Way Regenerative
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
K-40018*
K-40017*
K-40010
20392-*001*
9000-123*
1615-001*
6619-001
6815-002*
2702-001*
2929-001
0976-001
20577-001
11788-001
11531-001
11530-001
11787-001
21643-001
21105-001
1
2
1
2
2
2
1
1
1
1
2
2
2
1
1
1
Note: These are matched parts and are not sold separately.
*Buna-N seals are standard for all Gresen valve assemblies. For Viton seals contact the factory.
4-5
See Note