Hydraulic components crowd extension cylinder – Gradall 544 User Manual
Page 141

HYDRAULIC COMPONENTS
Crowd Extension Cylinder
Starting Serial No. 8655105G
Original Issue 5-86
10-3
Item
Part No.
Qty.
Description Of Part
9104-3030
1
CROWD EXTENSION CYLINDER
ASSY (includes all items)
9104-4029
1
SEAL KIT (includes items 2, 3, 4, 5, 6,
13, 14, 15, 16)
1
9104-4030
1
PISTON ASSY (includes items 2 thru
6)
2
4
WEAR RING
3
1
PISTON SEAL
4
1
O-RING
5
2
BACK-UP RING
6
1
O-RING
7
9104-4031
1
PISTON NUT (lubricate and torque to
250-300 ft. lbs.)
8
9104-4032
1
COUNTERBALANCE VALVE
9
9104-4033
1
BARREL ASSY (includes item 10)
Item
Part No.
Qty.
Description Of Part
10
9104-4034
1
BUSHING
11
9104-4035
1
STROKE LIMITER
12
9104-4036
1
ROD BEARING ASSY (includes items
13 thru 16)
13
1
O-RING
14
1
BACK-UP RING
15
1
ROD SEAL
16
1
WIPER
17
9104-4016
1
HEX HD SELF TAPPING SCREW
18
9104-4037
1
PISTON ROD ASSY (includes item 19)
19
9104-4038
1
BUSHING
NOTE: ONLY ITEMS WITH PART
NUMBERS ARE AVAILABLE FOR
SERVICE.