Page 2 - Machinery general safety
1.0 IMPORTANT SAFETY INSTRUCTIONS - Misuse of this machine can cause serious injury. - For safety, machine must be set up, used and serviced properly. - Read, understand and follow instructions in the operator’s manual and all labels affixed to the machine. When setting up machine: - Always avoid us...
Page 4 - About this machine and manual
4 2.0 About this machine and manual The JET SWG-series Square Wheel Belt Grinders are designed for grinding, deburring, chamfering, and internal/external grinding of small and large parts. The Grinders can be used to polish or buff finished parts and grind small internal radii using available access...
Page 5 - Table of contents
5 3.0 Table of contents Section Page 1.0 IMPORTANT SAFETY INSTRUCTIONS ....................................................................................................... 2 1.1 Machinery general safety warnings ......................................................................................
Page 6 - Specifications for SWG-series Grinders
6 4.0 Specifications for SWG-series Grinders Table 1 Model number SWG-272 SWG-272VS Stock number 577400 577405 Motor and Electricals Motor type Totally enclosed industrial Totally enclosed fan cooled, inverter Horsepower 1 HP Motor phase Single 3 phase motor (but single phase input to inverter) Moto...
Page 8 - Setup and assembly; Contents of carton
8 Read and understand all assembly instructions before attempting assembly. Failure to comply may cause serious injury. Note: Some illustrations in this manual may be representative only, and not show your specific model. 5.0 Setup and assembly 5.1 Contents of carton 1 Grinder 1 Serrated contact whe...
Page 9 - Electrical connections; GROUNDING INSTRUCTIONS; Voltage conversion
9 6.0 Electrical connections Electrical connections must be made by a qualified electrician in compliance with all relevant codes. This machine must be properly grounded to help prevent electrical shock and possible fatal injury. The SWG-272 and 272VS Square Wheel Grinder is pre-wired for 115V power...
Page 10 - Extension cords; Adjustments; Platen or Wheel installation; Platen wheel adjustment
10 6.2.2 Variable speed model (SWG-272VS) 1. Remove existing plug from power cable and attach a UL/CSA listed plug designed for 230V power; or “hardwire” the machine directly to a panel. If hardwiring make sure a disconnect is provided for the operator. No internal rewiring is needed for the inverte...
Page 11 - Belt tracking; Operation; Controls
11 5. Raise belt tension lever to tighten belt against the wheels. Tighten belt until it is just taut. Do not over-tension the abrasive belt. A moderate tension will provide faster cutting, longer belt life, and better tracking. Excessive belt tension will reduce belt life and cause excessive wear o...
Page 12 - Typical uses for the Square Wheel Belt Grinder
12 8.1.2 Single speed model (SWG-272) See Figure 8-2. Pull the red “mushroom” switch outward to start machine. The green light will illuminate. Push back in to stop machine; green light will turn off. To prevent accidental or unauthorized operation, stop the machine and pull out the yellow safety ke...
Page 13 - Cleaning; Additional servicing; Optional accessories
13 9.0 User-maintenance Always disconnect power to machine before performing maintenance. Failure to comply may result in serious personal injury. 9.1 Cleaning Shut off machine and disconnect before cleaning. Keep machine exterior clean and free of chips. Use a brush or vacuum to remove grinding dus...
Page 14 - Troubleshooting SWG-series Square Wheel Grinders; Replacement Parts
14 11.0 Troubleshooting SWG-series Square Wheel Grinders Table 2 * WARNING: Some corrections may require a qualified electrician. Symptom Possible Cause Correction * Machine won’t start. No incoming power. Verify machine connections. Cord damaged. Replace cord. Building circuit breaker trips or fuse...
Page 15 - SWG-272 Square Wheel Belt Grinder – Exploded View
15 12.1.1 SWG-272 Square Wheel Belt Grinder – Exploded View
Page 16 - SWG-272 Square Wheel Belt Grinder – Parts List
16 12.1.2 SWG-272 Square Wheel Belt Grinder – Parts List Index No Part No Description Size Qty 1 ................ SWG272-01 .............. Main Frame ............................................................. ...................................... 1 2 ................ SWG272-02 .............. Gua...
Page 17 - SWG-272 Motor Assembly – Parts List and Exploded View
17 12.2.1 SWG-272 Motor Assembly – Parts List and Exploded View Index No Part No Description Size Qty 33-1 ........... SWG272-331 ............ End Cover ................................................................ ...................................... 1 33-2 ........... BB-6205ZZ .................
Page 18 - SWG-272 Push Button Switch Assembly – Parts List and Exploded View
18 12.3.1 SWG-272 Push Button Switch Assembly – Parts List and Exploded View Index No Part No Description Size Qty 38-1 ........... SWG272-381 ............ Switch Bracket ......................................................... ...................................... 1 38-2 ........... SWG272-382 .....
Page 19 - SWG-272VS Square Wheel Belt Grinder – Exploded View
19 12.4.1 SWG-272VS Square Wheel Belt Grinder – Exploded View
Page 20 - SWG-272VS Square Wheel Belt Grinder – Parts List
20 12.4.2 SWG-272VS Square Wheel Belt Grinder – Parts List Index No Part No Description Size Qty 1 ................ SWG272-01 .............. Main Frame ............................................................. ...................................... 1 2 ................ SWG272-02 .............. G...
Page 21 - SWG-272VS Motor Assembly – Parts List and Exploded View
21 12.5 SWG-272VS Motor Assembly – Parts List and Exploded View Index No Part No Description Size Qty 33-1 ........... SWG272-331 ............ End Cover ................................................................ ...................................... 1 33-2 ........... BB-6205ZZ .................
Page 22 - SWG-272VS Control Switch Assembly – Parts List and Exploded View
22 12.6 SWG-272VS Control Switch Assembly – Parts List and Exploded View Index No Part No Description Size Qty 38-1 ........... SWG272VS-381 ........ Switch Bracket ......................................................... ...................................... 1 38-2 ........... SWG272VS-382 .........
Page 24 - Platen Assembly (all models) – Parts List and Exploded View
24 12.8 Platen Assembly (all models) – Parts List and Exploded View Index No Part No Description Size Qty 5-1 ............. SWG272-501 ............ Platen ...................................................................... ...................................... 1 5-2 ............. F010725 ..........
Page 25 - Contact Wheel Assembly (all models) – Parts List and Exploded View
25 12.9 Contact Wheel Assembly (all models) – Parts List and Exploded View Index No Part No Description Size Qty 6-1 ............. SWG272-601 ............ Contact Wheel ......................................................... 8”x2” Serrated,90Duro .. 1 6-2 ............. SWG272-602 ............ Shaf...
Page 26 - Dust Hood Assembly (all models) – Parts List and Exploded View
26 12.10 Dust Hood Assembly (all models) – Parts List and Exploded View Index No Part No Description Size Qty 40-1 ........... SWG272-4001 .......... Rail .......................................................................... ...................................... 1 40-2 ........... SWG272-4002 ...
Page 27 - Electrical Connections; Wiring diagram for SWG-272
27 13.0 Electrical Connections 13.1 Wiring diagram for SWG-272 13.2 Wiring diagram for SWG-272VS
Page 28 - Warranty and Service
28 14.0 Warranty and Service JET ® warrants every product it sells against manufacturers’ defects. If one of our tools needs service or repair, please contact Technical Service by calling 1-800-274-6846, 8AM to 5PM CST, Monday through Friday. Warranty Period The general warranty lasts for the time p...
