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Hersteller: Hobart Welding Products Dateigröße: 400.25 kb Dateiname: o715e_hob.pdf Unterrichtssprache:

For 25 and 25T Models, install handle onto either side as desired for either righthand or left-hand use. Tools Needed: 2 Ref. ST-802 056-A 7/16, 3/8 in All HSW 25 Models All HSW 15 Models 1 2 1 2 1 3 OM-715 Page 10 Return To Table Of Contents 4-5. Connecting Input Power Ref. ST-800 156 Input power supply wiring and receptacle must meet National Electrical Code and all other code requirements. Operate spot welder from a separately fused or circuit breaker protected circuit, and use correct size input conductors. 1 Rating Label 2 Cord 3 Parallel Plug On 110 Volts AC Models 4 Tandem Plug On 220 Volts AC Models Do not cut ground terminal off plug. 5 Grounded Receptacle Connect plug to matching grounded receptacle. 1 2 3 Or 4 5 Model Input Conductor Size (AWG) Fuse/Circuit Breaker Size In Amperes 1.5 kVA 110 Volt 2.5 kVA 220 Volt No. 10 No. 10 30 30 SECTION 5 . OPERATION 5-1. Controls ST-145 104-A 1 Hand Lever Use lever to open and close tongs. Close the hand lever during the welding process to compress the material between the tips. To adjust tong pressure, see Section 4-3. 2 Start Switch Use switch to turn weld current On and Off. Move switch sideways in either direction to start weld current. Release switch to stop weld current. 1 2 SECTION 6 . MAINTENANCE AND TROUBLESHOOTING 6-1. Routine Maintenance Disconnect power before maintaining. Every Use 3 Months 6 Months Inspect Tips Replace Unreadable Labels Blow Off Or Vacuum Unit During Heavy Service, Clean Monthly OR 6-2. Troubleshooting Trouble Remedy No weld output. Check line fuses, and replace if necessary. Low weld output. Dress or replace tips (see Section 4-1). Check tip threads. Replace tips if necessary (see Section 4-1). Remove and clean tongs (see Section 4-2). Clean ends of tongs and tong holders (see Section 4-2). Longer than normal weld time required. Dress or replace tips (see Section 4-1). Clean workpieces. Adjust tong pressure (see Section 4-3). Clean ends of tongs and tong holders (see Section 4-2). Check input line voltage. Burn through at point of weld. Adjust tong pressure (see Section 4-3). Dress or replace tips (see Section 4-1). Realign tips (see Section 4-2). Return To Table Of Contents OM-715 Page 11 SECTION 7 . ELECTRICAL DIAGRAMS SA-162 467-B Figure 7-1. Circuit Diagram For 110 And 220 Volt Models OM-715 Page 12 Return To Table Of Contents Notes Return To Table Of Contents OM-715 Page 13 OM-715 Page 14 Return To Table Of Contents SECTION 8 . PARTS LIST ST-145 048-D Hardware is common and not available unless listed. 31 30 28 27 29 42 46 32 37 36 45 Figure 8-1. Main Assembly Quantity Item Dia. Part Model No. Mkgs. No. Description 15,110 25, 220 Figure 8-1. Main Assembly ... 1 . . . . . . . . . . . . . 019 643. . HANDLE, carrying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ... 1 . . . . . . . . . . . . . 019 646 . . HANDLE, carrying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ... 2 . . . . . . . . . . . . . 601865 . . NUT, stl hex full fnsh .250-20 . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . . . . . . . . . 1 ... 3 . . . . . . . . . . . . . 602009 . . SCREW, cap stl sch .250-20 x 1.250 . . . . . . . . . . . . . . . . . 7 . . . . . . . . . . . 7 ... 4 . . . . . . . . . . . . . 023660 . . WIRING HARNESS, switch. . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . . . . . . . . . 1 ... . . . . . . . . . . . . . 023 199 . . LEVER, operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ... 5 . . . . . . . . . . . . . 082 090 . . LEVER, operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ... 6 . . . . . . . . . . . . . 010714 . . PIN, spring CS .312 x 1.750 . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . . . . . . . . . 1 ... 7 . . . . . . . . . . . . . 010712 . . LINK, tgl connecting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . . . . . . . . . . 2 ... 8 . . . . . . . . . . . . . 010713 . . PIN, spring CS .312 x 1.250 . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . . . . . . . . . 1 ... 9 . . . . . . . . . . . . . 010715 . . BOLT, pressure adjustment . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . . . . . . . . . 1 ... . . . . . . . . . . . . . 601876 . . NUT, stl hex jam .437-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . . . . . . . . . . 2 ... 11 . . . . . . . . . . . . . 010668 . . SCREW, cap stl sch .250-20 x 1.500 . . . . . . . . . . . . . . . . . 2 . . . . . . . . . . . 3 ... 12. . . . . . . . . . . . . 017668 . . HOLDER, tong top . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . . . . . . . . . 1 ... 13. . . . . . . . . . . . . 010709 . . CLAMP, tong top . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . . . . . . . . . 1 ... 14. . . . . . . . . . . . . 010623 . . BRAID, tong set of four . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . . . . ...

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