Lull 944E-42 Parts Manual User Manual
Page 433

SECTION 9 - HYDRAULIC COMPONENTS
8990462
644E-42,944E-42
433
FIGURE 9-1. EXTEND/RETRACT CYLINDER (644E SN 17569 through 20123, SN 0160002514 through
0160005325, Excluding 0160004236 and 0160004237)
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
2716861
NLA
EXTEND CYLINDER, (no longer available, use Kit K2 for
replacement)
1
N.S.S.
1
WELDMENT TUBE
2
8036591
1
ROD WELDMENT
3
8036592
1
ROD SPACER
4
8036593
1
HEAD GLAND, (torque to 300-400 lb-ft)
5
8036594
1
PISTON, (torque to 330-390 lb-ft)
6
8035315
1
SET SCREW, 5/16-18X.63, (loctite 243 and torque to 155-175 lb-
in)
7
Kit K1
1
WIPER SEAL
8
Kit K1
2
PRECISION WEARBAND
9
Kit K1
1
BT U-CUP
10
Kit K1
1
O-RING
11
Kit K1
1
TFE BUFFER SEAL
12
Kit K1
1
O-RING
13
Kit K1
1
BACKUP 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
8036590
1
COUNTERBALANCE VALVE, ISEL90 4000 PSI, (275 bar)
20
8205657
1
SEAL KIT
21
8036229
1
PO CHECK VALVE, (torque to 45-50 lb-ft)
21
8205656
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)
K1
8036475
1
SEAL KIT, (includes items 7 thru 19)
K2
8024061
1
EXTEND CYLINDER SERVICE KIT, (includes Extend Cylinder
2717241 and Rear Boom Cover 7302064)