Table of Contents
Advertisement
TABLE OF CONTENTS
LB520 CYLINDER PARTS
HYDRAULIC SYSTEM PARTS
FRAME & CYLINDER AND SUBFRAME PARTS
1643725H (404416)
4
2020-09-28
2
GENERAL INFORMATION
3
3
It is a good idea to look through these installation instructions before beginning to mount the hoist and
6
hydraulic system.
6
When welding, protect the truck's electrical, air and brake systems by disconnecting, removing or cover-
7
ing. Tighten all nuts and bolts to a consistent level. Use the following table for torque values.
7
7
8
Size
8
8
8
1/4-20
1/4-28
9
5/16-18
9
5/16-24
10
3/8-16
10
3/8-24
1/2-13
11
1/2-20
12
5/8-11
13
5/8-18
13
3/4-10
3/4-16
14
14
The following abbreviations are used in describing hydraulic fittings.
15
16
16
17
17
19
20
22
1643725H (404416)
INSTALLATION INSTRUCTIONS
Grade 2 Torque
Grade 5 Torque
3-4 lb-ft
6-7 lb-ft
4-5 lb-ft
8-9 lb-ft
8-9 lb-ft
14-15 lb-ft
9-10 lb-ft
15-16 lb-ft
17-18 lb-ft
24-26 lb-ft
19-20 lb-ft
28-30 lb-ft
38-42 lb-ft
60-65 lb-ft
43-47 lb-ft
70-75 lb-ft
75-80 lb-ft
122-130 lb-ft
85-90 lb-ft
145-150 lb-ft
132-140 lb-ft
220-230 lb-ft
152-160 lb-ft
250-260 lb-ft
ORBM
O-Ring Boss - Male Thread
NPTM
Pipe - Male Thread
NPTF
Pipe - Female Thread
JICM
JIC 37° - Male Thread
JICF
JIC 37° - Female Thread
5
Grade 8 Torque
10-11 lb-ft
11-12 lb-ft
21-22 lb-ft
21-22 lb-ft
37-40 lb-ft
40-43 lb-ft
90-100 lb-ft
95-105 lb-ft
180-190 lb-ft
200-210 lb-ft
315-330 lb-ft
355-370 lb-ft
2020-09-28
Advertisement
Table of Contents
