Gradall 544D (9136-4003) Service Manual User Manual
Page 73
Figure 4-3. 4-Way, 3-Position Parallel and Tandem Work Section
4-WAY, 3-POSITION PARALLEL AND TANDEM WORK SECTION
Item
No.
Part
No.
Description
Quantity
Per section
SEAL KIT (Contains items 2, 3, 4, 5 and 6 plus section seals)
SECTION SEAL KIT (Contains item 2 plus section seals)
POSITIONER, Standard
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
HOUSING, 4-way parallel
HOUSING, 4-way tandem
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
K-40018*
K40016*
K-7513
20392-001*
1615-001*
6619001
6815-002*
2702-001*
2929-001
0976-001
20577-001
11788-001
11531-001
11530-001
11787-017
20758-017
20645-XXX
20685-XXX
2
2
2
2
1
1
1
1
2
2
2
1
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.
See Note
4-3