Parts Manual Instruction Manual

SECTION 9 - HYDRAULIC COMPONENTS
8990462 644E-42,944E-42 435
FIGURE 9-2. EXTEND/RETRACT CYLINDER (644E SN 0160005784 to Present, Including 0160004236
and 0160004237)
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
2717241
1
EXTEND CYLINDER, (includes items 1 thru 21)
B, M
1
N.S.S.
1
WELDMENT TUBE
2
7026629
1
ROD WELDMENT
3
8036592
1
ROD SPACER
4
8036593
1
HEAD GLAND, (torque to 300-400 lb-ft)
5
8036594
1
PISTON, (Loctite and torque to 330-390 lb-ft)
6
8035315
1
SET SCREW, 5/16-18X.63, (Loctite and torque to 155-175 lb-in)
7
Kit K1
1
WIPER SEAL
8
Kit K1
2
PRECISION WEARBAND
9
Kit K1
1
U-CUP, BT
10
Kit K1
1
O-RING
11
Kit K1
1
TFE BUFFER SEAL
12
Kit K1
1
O-RING
13
Kit K1
1
BACK-UP RING
14
Kit K1
2
PRECISION WEARBAND
15
Kit K1
1
RECT SECTION SEAL, TFE PISTON
16
Kit K1
1
SQUARE RING
17
Kit K1
1
O-RING
18
Kit K1
2
DYNAMIC BACKUP RING
19
Kit K1
2
LOCKING INSERT
20
7026628
1
COUNTERBALANCE VALVE, 4065 PSI, (280 bar), (torque to 150-
160 lb-ft)
20
8205657
1
SEAL KIT
21
7029513
1
PO CHECK VALVE, (torque to 45-50 lb-ft)
21
7029518
1
SEAL KIT
22
8303785
2
HEX HD CAPSCREW, M2X45, GR8.8
23
8307220
2
PLAIN WASHER, M12
24
7300509
1
EXTEND CYLINDER BRACKET PAD MOUNT
25
8303784
4
HEX HD CAPSCREW, M10X20, GR8.8
26
8307221
4
PLAIN WASHER, M10
27
8310625
4
HEX LOCKNUT, M12-1.75
28
7300032
2
WEAR PAD
29
8526011
AR
LOCTITE 271, (apply to item 5)
30
8526007
AR
LOCTITE 242, (apply to item 25)
31
1001095650
AR
LOCTITE 243, (apply to item 6)
K1
8036475
1
SEAL KIT, (includes items 7 thru 19)