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3.0 About this manual This manual is provided by JET, covering the safe operation and maintenance procedures for a JET Model JWBS-15, JWBS-18 and JWBS-20 Band Saw. This manual contains instructions on installation, safety precautions, general operating procedures, maintenance instructions and parts breakdown. Your machine has been designed and constructed to provide consistent, longterm operation if used in accordance with the instructions as set forth in this document. This manual is not intended to be an exhaustive guide to band saw operational methods, use of jigs or aftermarket accessories, choice of stock, etc. Additional knowledge can be obtained from experienced users or trade articles. Whatever accepted methods are used, always make personal safety a priority. If there are questions or comments, please contact your local supplier or JET. JET can also be reached at our web site: www.jettools.com. Retain this manual for future reference. If the machine transfers ownership, the manual should accompany it. Read and understand the entire contents of this manual before attempting assembly or operation! Failure to comply may cause serious injury! 4.0 Specifications The specifications in this manual were current at time of publication, but because of our policy of continuous improvement, JET reserves the right to change specifications at any time and without prior notice, without incurring obligations. 6

Section	Page
JWBS-15, JWBS-18, JWBS-20	1
1.0 IMPORTANT SAFETY INSTRUCTIONS	2
2.0 Table of contents	4
3.0 About this manual	6
4.0 Specifications	6
4.1 Specifications for JWBS-15	7
4.2 Specifications for JWBS-18	8
4.3 Specifications for JWBS-20	9
4.4 Base Hole Centers	10
5.0 Setup and assembly	11
5.1 Shipping contents	11
5.2 Tools required for assembly	11
5.3 Unpacking and cleanup	11
5.4 Assembly	11
5.5 Handwheel	11
5.6 Installing and aligning table	11
5.7 Installing guide rail	12
5.8 Fence assembly and alignment	12
5.9 Table bracket (JWBS-20 only)	13
5.10 Miter gauge	13
6.0 Electrical connections	13
6.1 GROUNDING INSTRUCTIONS	13
6.2 Models JWBS-15, JWBS-18	13
6.3 Models JWBS-15-3, JWBS-18-3, JWBS-20-3, JWBS-20-5	14
6.4 Circuit Information (all models)	14
6.5 Extension cords	14
7.0 Adjustments	15
7.1 Aluminum resaw fence	15
7.2 Fence fine adjust	15
7.3 Table tilt	15
7.4 Adjusting 90-degree table stop	15
7.5 Leveling table insert	16
7.6 Installing/changing blades	16
7.7 Blade tension	17
7.8 Adjusting blade tension lever	17
7.9 Blade tracking	17
7.10 Overview – bearing adjustments	18
7.11 Upper blade guides	18
7.12 Upper thrust bearing	19
7.13 Lower blade guides	19
7.14 Guide post	20
7.15 Guide post parallelism	20
7.16 Changing blade speed	20
7.17 Drive belt replacement and tensioning	21
7.18 Pulley alignment	21
7.19 Brushes	21
8.0 Operating controls	21
8.1 Start/stop switch	21
9.0 Operation	22
9.1 General procedure	22
9.2 Ripping	22
9.3 Crosscutting	22
9.4 Resawing	23
9.5 Blade lead	23
9.6 Saw blade selection	23
9.7 Width	23
9.8 Pitch	23
9.9 Shape	24
9.10 Set	24
9.11 Material	24
9.12 Blade breakage	24
10.0 User-maintenance	25
11.0 Blade Selection Guide	26
12.0 Troubleshooting JWBS-series Band Saws	27
12.1 Operational problems	27
12.2 Mechanical and electrical problems	29
13.0 Replacement Parts	30
13.1.1 JWBS-15 Assembly – Exploded View	31
13.1.2 JWBS-15 Assembly – Parts List	33
13.2.1 JWBS-15 Rip Fence Assembly – Exploded View	36
13.2.2 JWBS-15 Rip Fence Assembly – Parts List	36
13.3.1 JWBS-15/18/20 Trunnion Support Bracket Assembly – Exploded View	37
13.3.2 JWBS-15/18/20 Trunnion Support Bracket Assembly – Parts List	38
13.4.1 JWBS-15 Guide Bar Bracket Assembly – Exploded View	39
13.4.2 JWBS-15 Guide Bar Bracket Assembly – Parts List	39
13.5.1 JWBS-15 Upper Wheel Assembly – Exploded View	40
13.5.2 JWBS-15 Upper Wheel Assembly – Parts List	40
13.6.1 JWBS-15 Lower Wheel Assembly – Exploded View	40
13.6.2 JWBS-15 Lower Wheel Assembly – Parts List	40
13.7.1 JWBS-15 Lower Blade Guide Assembly – Exploded View	41
13.7.2 JWBS-15 Lower Blade Guide Assembly – Parts List	41
13.8.1 JWBS-15 Upper Blade Guide Assembly – Exploded View	42
13.8.2 JWBS-15 Upper Blade Guide Assembly – Parts List	42
13.9.1 JWBS-15/18/20 Miter Gauge Assembly – Exploded View	43
13.9.2 JWBS-15/18/20 Miter Gauge Assembly – Parts List	43
13.10.1 JWBS-18 Bandsaw Assembly – Exploded View	44
13.10.2 JWBS-18 Bandsaw Assembly – Parts List	46
13.11.1 JWBS-18/20 Rip Fence Assembly – Exploded View	49
13.11.2 JWBS-18/20 Rip Fence Assembly – Parts List	49
13.12.1 JWBS-18/20 Guide Bar Bracket Assembly – Exploded View	50
13.12.2 JWBS-18/20 Guide Bar Bracket Assembly – Parts List	50
13.13.1 JWBS-18 Upper Wheel Assembly – Exploded View	51
13.13.2 JWBS-18 Upper Wheel Assembly – Parts List	51
13.14.1 JWBS-18 Lower Wheel Assembly – Exploded View	51
13.14.2 JWBS-18 Lower Wheel Assembly – Parts List	51
13.15.1 JWBS-18/20 Lower Blade Guide Assembly – Exploded View	52
13.15.2 JWBS-18/20 Lower Blade Guide Assembly – Parts List	52
13.16.1 JWBS-18/20 Upper Blade Guide Assembly – Exploded View	53
13.16.2 JWBS-18/20 Upper Blade Guide Assembly – Parts List	53
13.17.1 JWBS-20 Bandsaw Assembly – Exploded View	54
13.17.2 JWBS-20 Bandsaw Assembly – Parts List	56
13.18.1 JWBS-20 Upper Wheel Assembly – Exploded View	59
13.18.2 JWBS-20 Upper Wheel Assembly – Parts List	59
13.19.1 JWBS-20 Lower Wheel Assembly – Exploded View	59
13.19.2 JWBS-20 Lower Wheel Assembly – Parts List	59
13.20.1 JWBS-20 Upper Wheel Sliding Bracket Assembly – Exploded View	60
13.20.2 JWBS-20 Upper Wheel Sliding Bracket Assembly – Parts List	61
14.0 Electrical Connections	62
14.1 Connections for 1.75HP (models 714600, 714700)	62
14.2 Connections for 3HP (models 714650, 714750, 714800)	63
14.3 Connections for 5HP (model 714850)	64

Match case Limit results 1 per page

3.0

About this manual

This manual is provided by JET, covering the safe operation and maintenance procedures for a JET Model

JWBS-15, JWBS-18 and JWBS-20 Band Saw.

This manual contains instructions on installation, safety precautions, general operating procedures, maintenance

instructions and parts breakdown. Your machine has been designed and constructed to provide consistent, long-

term operation if used in accordance with the instructions as set forth in this document.

This manual is not intended to be an exhaustive guide to band saw operational methods, use of jigs or after-

market accessories, choice of stock, etc.

Additional knowledge can be obtained from experienced users or trade

articles. Whatever accepted methods are used, always make personal safety a priority.

If there are questions or comments, please contact your local supplier or JET. JET can also be reached at our

web site: www.jettools.com.

Retain this manual for future reference. If the machine transfers ownership, the manual should accompany it.

Read and understand the entire contents of this manual before attempting assembly or

operation!

Failure to comply may cause serious injury!

4.0

Specifications

The specifications in this manual were current at time of publication, but because of our policy of continuous

improvement, JET reserves the right to change specifications at any time and without prior notice, without incurring

obligations.