Lull 944E-42 Parts Manual - Manual (Page 433)

SECTION 9 - HYDRAULIC COMPONENTS
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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)