Boom retraction chains – Gradall 544C-10 User Manual
Page 39

BOOM
Retraction Chains
Starting Serial No. 0255001
Original Issue 11-96
Revised 5-7-97
KG
3-7
Item
Part No.
Qty.
Description Of Part
1
8850-1412
1
HEX JAM NUT, 3/4-16 (torque to
100 ft.lbs.)
2
8850-1312
3
HEX NUT, 3/4-16 (torque to 100 ft.lbs.)
3
9002-7473
2
HARDENED WASHER, 3/4
4
Ref
FOURTH BOOM SECTION (see
page 3-4 for details)
5
9116-3173
1
CHAIN CLEVIS
6
9116-3037
1
CHAIN, 3/4"
7
9116-3124
2
CHAIN PIN
8
8863-1302
8
COTTER PIN
9
9116-6027
1
ANCHOR BRACKET
10
8850-1414
1
HEX JAM NUT, 7/8-14 (torque to
100 ft.lbs.)
11
8850-1314
3
HEX NUT, 7/8-14 (torque to 100 ft.lbs.)
12
Ref
THIRD BOOM SECTION (see page
3-3 for details)
13
9116-3171
1
CHAIN CLEVIS
14
9116-3036
1
CHAIN, 1"
15
9116-3123
2
CHAIN PIN
16
9108-1313
2
PIN KEEPER
17
8855-1013
4
LOCKWASHER, 1/2
18
8820-1065
4
HEX HD CAPSCREW, 1/2-13X1, GR5
19
8867-1001
2
GREASE FITTING
20
9116-1267
2
CHAIN SHEAVE PIN
21
9116-6026
1
ROLLER BRACKET
22
9116-5022
2
CHAIN ROLLER (includes items 23
& 24)
23
9116-3204
2
BUSHING
24
8692-1268
4
SEAL
25
9104-1451
4
THRUSTWASHER
9104-1450
AR
THRUSTWASHER
9104-1449
AR
THRUSTWASHER
9104-1596
AR
THRUSTWASHER
26
Ref
SECOND BOOM SECTION (see
page 3-2 for details)
27
9116-6022
1
ROLLER BRACKET
28
9116-3172
1
CHAIN CLEVIS
29
9116-1214
1
STOP BAR
30
8320-1061
8
HEX HD CAPSCREW, 3/4-10X1-3/4,
GR5 (torque to 340-365 ft.lbs.)
31
9002-7473
8
HARDENED WASHER, 3/4
32
9116-1212
1
CABLE ADJUSTMENT BLOCK
33
9116-3162
1
SPRING
34
Ref
FIRST BOOM SECTION (see page
3-1 for details)
35
9116-3170
1
CHAIN CLEVIS
36
9116-1213
1
STOP BAR
37
9116-1211
1
CABLE ADJUSTMENT BLOCK
38
9116-3161
1
SPRING
SERVICE NOTES:
1).
A chain wear gage, part number 9116-4084, is now available to check if your
boom chain has been stretched beyond spec.
* Added service note.