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ZH Series
Jet ZH Series User Manual
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Parts List and Electrical Diagrams
ZH Series Lathes
Models GH-2680ZH;
GH-26120ZH
Model GH-2680ZH shown
For ZH-Se
ries Lat
hes Ope
ration an
d M
aintenan
ce Instru
ctions, s
ee docum
e
nt M-
321860
JET
427 Ne
w Sanford R
oad
LaVergne
, Tennes
see 370
86
Part No. M
-
321860-1
Ph.: 800-274-6
848
Revision E
10/
2017
www.jettools.c
om
Copyright ©
2017 JET
36
38
Table of Contents
Table of Contents
5
1 Important Safety Instructions
2
2 Warranty and Service
4
Table of Contents
5
4 Specifications
6
5 Dimensions and Mounting Hole Centers
8
6 General Description and Nomenclature
9
7 Unpacking
11
Contents of the Shipping Container
11
8 Installation
12
Leveling the Lathe
12
Completing Installation
12
Chuck Preparation
13
Break-In Period
13
9 Maintenance/Lubrication
14
Coolant Preparation
16
10 Electrical Connections
16
Conversion to 460 Volt Operation
17
11 Basic Controls
18
12 Operation
20
Tool Setup
21
Spindle Speed
21
Feed and Thread Selection
21
Thread Cutting
22
13 Adjustments
22
Chuck Jaw Reversal
22
Gib Adjustments
22
Tailstock Adjustments
23
Gap Section
23
Belt Adjustment and Replacement
24
Brake Strap
24
Friction Clutch Adjustment
24
Aligning Tailstock to Headstock
25
Spindle Bearings
25
Speed Control
25
Lead Screw
26
Apron Feed Clutch
26
Tool Post
26
Cross Slide Nut Adjustment
27
Shear Pin Replacement
27
Steady Rest Adjustment
27
Follow Rest Adjustment
28
14 Troubleshooting the ZH Series Lathes
29
15 Lubrication Schedule and General Maintenance
30
16 Reference Tables
31
Inch Lead and Feed
31
Special Inch Lead and Feed
32
Speed Selection Lever Positions
33
17 Electrical - 230 Volt to 460 Volt Conversion
33
18 Change Gear Diagram
34
Ordering Replacement Parts
39
Bed Assembly I - Exploded View
40
Bed Assembly I (for 120" ZH Only) - Exploded View
41
Bed Assembly I - Parts List
42
Bed Assembly II - Exploded View
44
Bed Assembly II (for 120" ZH Only) - Exploded View
45
Bed Assembly II - Parts List
46
Headstock Assembly I - Exploded View
48
Headstock Assembly I - Parts List
49
Headstock Assembly II - Exploded View
51
Headstock Assembly II - Parts List
52
Headstock Assembly III - Exploded View
54
Headstock Assembly III - Parts List
55
Headstock Assembly IV - Exploded View
56
Headstock Assembly IV - Parts List
57
Headstock Assembly V - Exploded View
59
Headstock Assembly V - Parts List
60
Gear Assembly - Exploded View
61
Gear Assembly - Parts List
61
Gear Box Assembly I - Exploded View
62
Gear Box Assembly I - Parts List
63
Gear Box Assembly II - Exploded View
64
Gear Box Assembly II - Parts List
65
Gear Box Assembly III - Exploded View
67
Gear Box Assembly III - Parts List
68
Brake Assembly - Exploded View
70
Brake Assembly - Parts List
71
Saddle and Cross Slide Assembly - Exploded View
72
Saddle and Cross Slide Assembly - Parts List
73
Tool Post and Compound Rest Assembly - Exploded View
75
Tool Post and Compound Rest Assembly - Parts List
76
Apron Assembly I - Exploded View
77
Apron Assembly I - Parts List
78
Apron Assembly II - Exploded View
80
Apron Assembly II - Parts List
81
Apron Assembly III - Exploded View
83
Apron Assembly III - Parts List
84
Apron Assembly IV - Exploded View
85
Apron Assembly IV - Parts List
86
Tailstock Assembly I - Exploded View
87
Tailstock Assembly I - Parts List
88
Tailstock Assembly II - Exploded View
89
Tailstock Assembly II - Parts List
90
Steady Rest Assembly (Small and Large) - Exploded View
91
Steady Rest Assembly (Large) - Parts List
92
Steady Rest Assembly (Small) - Parts List
92
Follow Rest Assembly - Exploded View
93
Follow Rest Assembly - Parts List
93
Coolant and Work Light Assembly - Exploded View
94
Coolant and Work Light Assembly - Parts List
94
Travel Stop Assembly - Exploded View
95
Travel Stop Assembly - Parts List
96
Small Carriage Stop - Exploded View
97
Small Carriage Stop - Parts List
97
Toolbox, Accessories, and Attachments
98
Electrical Components
99
Electrical Diagram
100
Electrical Components - Parts List
101
Chuck Guard Assembl - Exploded View y
102
Chuck Guard Assembly - Parts List
102
Carriage Lubrication - Exploded View
103
Carriage Lubrication- Parts List
103
Ordering Replacement Parts
104
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69 pages
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Jet ZH Series Specifications
General
Brand
Jet
Model
ZH Series
Category
Lathe
Language
English
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