Hitachi L Series, Service Manual

Page: 4 / 44

1. Introduction ………………………………………………………………………………………………… 0
1-1. Confirmation of the product and accessories …………………………………………………… 1
1-2. About the contents of the instruction manual……………………………………………………… 1
1-3. About guarantee ……………………………………………………………………………………… 1
2. Product specifications …………………………………………………………………………………… 2
2-1. Standard specification ……………………………………………………………………………… 2
2-2. Rated specification …………………………………………………………………………………… 2
2-3. Speed specification ………………………………………………………………………………… 3
2-4. Motor specification …………………………………………………………………………………… 3
2-5. Approximate weight ………………………………………………………………………………… 3
2-6. Product view ………………………………………………………………………………………… 4
2-7. Outer dimensions …………………………………………………………………………………… 5
3. Mounting method ………………………………………………………………………………………… 6
3-1. Precautions for mounting …………………………………………………………………………… 6
3-2. Electric wiring ………………………………………………………………………………………… 7
3-3. Connection diagram ………………………………………………………………………………… 8
4. Installation steps ………………………………………………………………………………………… 11
4-1. About attaching the Chain Container …………………………………………………………… 11
4-2. About the installation of cables ………………………………………………………………… 12
5. Cautions for use ………………………………………………………………………………………… 13
6. Maintenance and inspection …………………………………………………………………………… 14
6-1. Daily inspection …………………………………………………………………………………… 14
6-2. Inspection before starting work ………………………………………………………………… 14
6-3. Periodic voluntary inspection …………………………………………………………………… 15
6-4. Disassembly / Assembly ………………………………………………………………………… 15
6-5. Inspection of the electromagnetic brake ………………………………………………………… 21
6-6. Adjustment of the electromagnetic brake gap ………………………………………………… 22
6-7. How to inspect the hook ………………………………………………………………………… 23
6-8. How to inspect the chain ………………………………………………………………………… 24
6-9. Inspection of the push-button switch …………………………………………………………… 25
6-10. Inspection of the limit switch …………………………………………………………………… 25
6-11. Inspection of the gears ………………………………………………………………………… 26
6-12. Inspection of the sprocket ……………………………………………………………………… 27
7. Oil ………………………………………………………………………………………………………… 28
8. Part list …………………………………………………………………………………………………… 29
Table of Contents