Sears 374.288450 Service Manual Download | Manualshive

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Summary of Contents for 374.288450

Page 1: ...ual Model No 374 288450 21 7119 Treadmill MADE IN U S A Prime Fit_ Concourse 10 55 GI Treadmill by p_p Features Operation Trouble Shooting Parts Replacement Adjustments Maintenance Parts List Parts Drawings 08 93 ...

Page 2: ...13 Drive Belt Front Roller Treadbelt Treadboard and rear Roller Replacement 13 Motor and or Flywheel Pulley Replacement 14 Motor Controller Replacement 14 Interface Board Replacement 14 Reed Switch Replacement 14 Reset Switch Replacement 15 Console Fitness Computer and or Power Switch Replacement 15 Wiring Harness Replacement 15 Incline Lever Replacement 16 Gas Cylinder Replacement 16 ADJUSTMENTS ...

Page 3: ...LCD id fully programmable and allows continuous viewing of time speed distance pulse and calories Fast Trac also features Fitness Index a computer calculated index that allows the user to monitor their fitness level Side mounted 2 HP DC motor from G E featuring the new Silent Mountsystem to reduce noise and vibration Includes Power Key start stop for easy to use safe operation Gas assist incline a...

Page 4: ...cord with a three prong grounded plug and receptacle TREADMILL OPERATION NOTE Before operating your treadmill become familiar with all operating parts and controls their location and function see FIGURE 3 Step 1 Step 2 Step 3 Step 4 Step 5 To Operate CA UTION To avoid injury hold onto HANDRAILS while mounting and dismounting TREADMILL Place feet on SlDERAILS Do notatand on TREADBELT Securely attac...

Page 5: ...ESS COMPUTER UP DOWN BUTTONS SELECT DISPLAY i BUTTONS J STOP PAUSE BU1 FON INCLINE LEVER POWER KEY POWER KEY _ CLIP FITNESS INDEX BUTTON OPERATOR S VIEW of CONSOLE HANDRAILS CONSOLE TREADBELT SlDERAILS FIGURE 2 TREADBELT ADJUSTMENT SCREWS 5 ...

Page 6: ...ss level with computer calculated fitness rating Insert POWER KEY Functions will start countingwhen the treadmill speed is greater than Omph Press SELECT BUTrON until only display area of the KEY SELECT BUTTON FITNESS INDEX BUTTON UP DOWN BUTTONS I desired function to beprogramed TIME DISTANCE or CALORIES is displayed Press UP or DOWN BUTTON until desired numberis reached Wait 4 seconds When tread...

Page 7: ...ter will calcu late your fitness rating from Oto 10 Using The PULSE EARCLIP CA UTION This pulse earclip is not a medi cal device Readings may not always be accurate Best readings may be obtained in a still relaxed position IMPORTANT When exercising in a vig orous manner the erratic movement of the PULSE EARCLIP or CABLE may cause the P to appear in the PULSE window indicating incorrect pulse readi...

Page 8: ...Not Properly Attached To Earlobe 3 4 Pulse Earclip In Direct Sunlight Pulse Earclip Is Moving Around Too Much Plug Into Three Prong grounded 115 120 Volt 60 Hz AC Outlet See Treadmill Grounding Reset Or Replace Fuse Reset Treadmill Reset Switch Plug Directly Into Wall Outlet Or Use Short less Than Ten Feet Heavy Gauge t4 Gauge Or Better Extension Cord Have Qualified Electrician Check Voltage See T...

Page 9: ...o 90 V The monitor and interface board adjust the output of the motor controller from 0 to 90 volts The motor controller senses the motor speed by the tachometer The tachometer on the motor tells the motor controller its speed If a load is placed on the treadbelt the motor controller compares the set point of the speed control to the tachometer and makes adjustments to the DC output voltage to the...

Page 10: ...HOOTING INTERFACE BOARD MOTOR CONTROLLER FIGURE 3 FIGURE 4 SHAFT 2 HP DC MOTOR FAN TACHOMETER WIRESTO CONTROLLER POWER WIRES TO M1 AND M2 ON MOTOR CONTROLLER r TACHOMETER GROUND WIRE GREEN TO FRAME FIGURE 5 10 ...

Page 11: ... Motor Control Board Remove Wall Plug From Wall Outlet Check Continuity From Line Terminal of Plug To Line Terminal Of Motor Controller Check Continuity i Of Neutral Terminal of Plug To Neutral Terminal of Motor I Controller I Check Voltage On Motor Terminals M1 And M2 i 17 VDC At Low Speed 70 VDC At High Speed I _Check For Open Tachometer i Circuit j Check For Loose Fan i Check For Shorted Tachom...

Page 12: ...and 13 0 _ Good Bad P1 To N Voltage 13 6 _ I Good Bad _ BBE C_T_IQN t a Replace Motor lb Check Interface Board P2 N 2 b a CheckReplacep1M t rto N Controller a Replace Interface Board b Replace Motor Controller CONSOLE POWER SWITCH NO _t_CTl _l OP f tONaL f_ _ CIRCUIT BREAKER _ 16 AVG BROWN I PLUG INTERFACE BOARD TLP2 FAST TRAC DISPLAY FITNESS COMPUTER SPEED CONTROL SYSTEM WIRING DIAGRAM FIGURE 6 1...

Page 13: ...ve LEFT SIDERAIL 9 _LO_TJ_ Slide LEFT RAIL off TREADBOARD Step 14 To replace the FRONT ROLLER 13 remove FRONT ROLLER and replace Make sure DRIVE BELT is on before reassembling JY_Q T_E It is not necessary to remove REAR ROLLER TREADBOARD or TREADBELT Step 15 To replace DRIVE BELT 36 remove FRONT ROLLER 13 and DRIVE BELT 36 Replace DRIVE BELT and reinstall FRONT ROLLER blO_T_ E It is not necessary ...

Page 14: ...2 to assure proper wiring Step 3 Remove two SCREWS 64 attaching MOTOR CONTROLLER 42 to RIGHT SIDERAIL 10 Step 4 Reattach MOTOR CONTROLLER 42 to RIGHT SIDERAIL 10 with two SCREWS 64 Step 5 Reattach MOTOR COVER 43 Interface Board 73 Replacement Step 1 Remove MOTOR COVER 43 Step 2 Remove wires one at a time to assure proper attachment and install onto new INTERFACE BOARD 73 Refer to SPEED CONTROL SYS...

Page 15: ...attaching SCREW 461 snap POWER SWITCH out of the CONSOLE BOI rOM 46b and replace with new POWER SWITCH Reassembly in reverse order see SPEED CONTROL SYSTEM WIRING DIAGRAM if necessary Wiring Harness 46g Replacement Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11 Step 12 Step 13 Remove MOTOR COVER 43 Remove CONSOLE 46 see CONSOLEAND OR POWER SWITCH REPLACEMENT NOTE St...

Page 16: ... in INCLINE LEVER and pulling through Step 8 Reassemble CONSOLE 46 using REPLACEMENT INCLINE LEVER 46e by following steps 1 through 8 in reverse order Gas Cylinder 26 Replacement Step 1 Hold INNER CABLE of INCLINE CABLE 46j at GAS CYLINDER 26 with pliers Press down on ACTIVATING LEVER and disconnect INNER CABLE from ACTIVATING LEVER Step 2 Pull OUTER CABLE of INCLINE CABLE 46j straight up with pli...

Page 17: ...h Adjustment If the CONSOLE 46 does not display SPEED or DISTANCE the REED SWITCH 23 and MAGNET on the FRONT ROLLER 13 may be misaligned see FIGURE 7 Follow these steps to check and realign it Step 1 _L__Unplug the TREADMILL to reduce the risk of an electric shock Step 2 Step 3 Step 4 Step 5 Remove MOTOR COVER 43 see FIGURE 7 Check spacing and alignment between MAGNET on right side of FRONT ROLLER...

Page 18: ...icate TREADBOARD Excess LUBRICANT may come out from underthe TREADBEL T Any excess LUBRICANT on the TREADBOARD should be wiped off Lubrication Schedule If the TREADMILL is used at low speeds the TREADBELT will not need to be lubricated as frequently while high speed use may require more frequent lubrication If the TREADBELT does not maintain speed during use or hesitates lubrication may be require...

Page 19: ... Handrail Handrail Bracket Irail Elbow Connector Front Handrail Front Handrail Bracket Left Siderail Right Siderail Treadboard Tread Belt Front Roller Rear Roller Left Rear End Cap Right Rear End Cap Left Front End Cap Left Rear Guard Right Rear Left Front Guard SQuareWasher Incline Brace Incline Assembly Incline Frame Wheel Rod 5 16 Pushnut Roller 5 16 Locknut Incline Rail 10 x 5 8 Long Machine S...

Page 20: ...amp Motor Cover uottom Motor over Pulley Cover Console Assembly Grommet Flanged Bushing Strain Relief Bushing Spdng U Clip S Clip J Bolt Circuit Board Support 1 4 x 3 4 Long Flex Washer Head Screw 1 4 x 1 1 2 Long Hex Washer Head Screw 1 4 x 2 112 Long Hex Washer Head Screw 1 4 x 3 Long Button Socket Head Cap Screw 5 16 x 1 1 4 Long Hex Head Bolt 5 16 x 2_ Long Hex Head Bolt 5 16 x 4 Long Hex Head...

Page 21: ...3 64 43 72 s4 63 17 52 12 64 19 64 65 35 13 23 35a 49 36 35c 35d 64 42 69 58 29 55 25 22e 22f _ 69 55 22f 26 22i 22b I 55 3O 22e 45 66 i 25 29 27 64 Parts Drawing FIGURE 7 21 34b 71 64 24 1 63 41 69 61 J 55 48 55 63 4O ...

Page 22: ...sole Assembly Fitness Computer M5410 Console Bottom Upper Control Panel Lower Control Panel Incline Lever Incline Bracket Wiring Harness Power Key w Cord Belt Clip Assembly Control Panel Decal Sheet Incline Cable On Off Switch 4 x 7 8 Long Hex Washer Head Machine Screw 4 x 3 8 Long Machine Screw 10 x 5 8 Long Washer Head Sheet Metal Screw 8 x 1 2 Long Sheet Metal Screw 4 Nut 4 Internal External To...

Page 23: ...46n 46d 46j PARTS Console M5410 Parts Drawing 46f 46n 46h 46e 46c 46i FITNESS COMPUTER CONNECTOR I 461 46k 46q _ 46p 46i 46a 460 46g FITNESS COMPUTER CABLE FIGURE 8 46b 23 460 ...

Page 24: ... in this service manual please contact our customer service department at the following address or telephone number In the United States call 1 800 633 5730 or write to Diversified Products Corporation P O Box 100 Opelika AL 36801 Attn Customer Service Parts 24 ...

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