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Manafacture: Hobart Welding Products
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manual abstract
Check, repair, or replace remote control. Unit overheated. Allow unit to cool with fan On (see Section 3-2). Have Factory Authorized Service Agent check control board PC1. Unit provides only maximum or minimum weld output. Have Factory Authorized Service Agent check control board PC1 and hall device HD1. Erratic or improper weld output. Use proper size and type of weld cable (see Section 3-8). Clean and tighten all weld connections. Check position of Polarity selector switch (see Section 4-1). Have Factory Authorized Service Agent check control board PC1 and hall device HD1. No 115 volts ac output at duplex receptacle, Remote 14 receptacle, or terminal strip 1T. Reset circuit breaker CB1 (see Section 3-7). No 24 volts ac output at Remote 14 receptacle, or terminal strip 1T. Reset circuit breaker CB2 (see Section 3-7). Fan not operating. NOTE: fan only runs when cooling is necessary. Check for and remove anything blocking fan movement. Have Factory Authorized Service Agent check fan motor. OM-222 Page 24 OM-222 Page 25 SECTION 6 – ELECTRICAL DIAGRAM For Primary Circuit Diagram Portion, refer to Circuit Diagram located inside wrapper of welding power source. SC-203 802 Figure 6-1. Circuit Diagram OM-222 Page 26 SECTION 7 – PARTS LIST ST-800 875-E Hardware is common and not available unless listed. 1 2 3 4 5 6 7 8 9 10 11 12 13 15 16 14 17 18 (Fig.7–5) 19 20 21 22 3 4 23 25 26 27 24 28 (Fig.7–2) 29 (Fig.7–3 & 4) 22 Figure 7-1. Main Assembly (452 Model Illustrated) Quantity Model Item Dia. Part DescriptionNo.Mkgs.No. 302 452 652 Figure 7-1. Main Assembly ... 1 . . . . . . . . . . . . +179 430 . . PANEL, side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ... 1. . . . . . . . . . . . +179 432 . . PANEL, side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2. . . 2 ... 2 . . . . . . . . . . . . . 179 429 . . COVER, top . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ... 2 . . . . . . . . . . . . . 179 431 . . COVER, top . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. . . 1 ... 3 . . . . . . . . . . . . . 164 699 . . BAFFLE, air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . .2 ... 3 . . . . . . . . . . . . . 164 700 . . BAFFLE, air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ... 4 . . . . . . . . . . . . . 162 816 . . CHANNEL, upright . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 . . . 4. . . 4 ... 5 . . . . . . . . . . . . . 162820 . . BAR, mtg lift eye. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . . 2. . . 2 ... 6 . . . . . . . . . . . . . 162 830 . . LIFT EYE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . 1. . . 1 ... 7 . . . . . . . . . . . . . 177279 . . GASKET, lift eye . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . 1. . . 1 ... 8 . . . . . . . . . . . . . 604536 . . SCREW, .312-18 x 1.75 hexhd-pln gr 5 . . . . . . . . . . . . . . . . . . . 2 . . . 2. . . 2 ... 9 . . . . . . . . . . . . . 173605 . . BRACKET, mtg LEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . 1. . . 1 ... 10. . . . HD1. . . . 168829 . . TRANSDUCER, current 300A module. . . . . . . . . . . . . . . . . . . . 1 . . . 1. . . 1 . . . . . . . . . PLG14 . . 115094 . . CONNECTOR & SOCKETS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . 1. . . 1 ... 11 . . . . . Z1 . . . . 165 612 . . STABILIZER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ... 11 . . . . . Z1 . . . . 165 613 . . STABILIZER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ... 11 . . . . . Z1 . . . . 180 064 . . STABILIZER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . . . . . . . . . . . . . . . . . 164717 . . BUS BAR, stabilizer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ... 12. . . C21-23 . . 163906 . . CAPACITOR, 60 and 50 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 . . . 3. . . 3 ... 13. . . . . T2 . . . . 159042 . . TRANSFORMER, control 50VA 24V 230/460/575 (60Hz) . . . 1 . . . 1. . . 1 ... 13. . . . . T2 . . . . 159041 . . TRANSFORMER, control 50VA 24V 200/230/460 (60Hz) . . . . . . . . . 1 ... 13. . . . . T2 . . . . 159043 . . TRANSFORMER, control 50VA 24V (50Hz) . . . . . . . . . . . . . . . 1 . . . 1. . . 1 ... 14. . . . TE1. . . . 159244 . . PRIMARY BOX, (consisting of) . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . 1. . . 1 ... 15. . . . . . . . . . . . . 601835 . . . . NUT, 10-32 brs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Other models in this manual:Welding Systems - 302 (1.13 mb)
Welding Systems - 452 (1.13 mb)