Precor C932 Service Manual Download Page 3

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C932, C932i, C934, C936i Treadmill

Page 3

Technical Specifications

Physical Specifications

Length:

79 inches (201 cm.)

Width:

33.5 inches (85 cm.)

Height:

55 inches (140 cm.)

Running surface:

20 inches by 57 inches (51 cm. by 145 cm.)

Motor:

3.0 hp. continuous duty DC

Speed:

0.5 to 11 mph (0.8 to 18 kph)
10 mph is equivalent to a 6 minute mile

Incline:

0% to +15% grade

Power:

120 Vac 50/60 Hz @ 20 amp

Weight:

280 lbs (127 kg.)

Summary of Contents for C932

Page 1: ...and maintain this product This document contains general product information software diagnostic procedures when available preventative maintenance procedures inspection and adjustment procedures tro...

Page 2: ...ion and Adjustment Procedures Perform inspection procedures when a trouble symptom points to a particular problem and after removing and replacing major components Many maintenance problems can be fix...

Page 3: ...inches 201 cm Width 33 5 inches 85 cm Height 55 inches 140 cm Running surface 20 inches by 57 inches 51 cm by 145 cm Motor 3 0 hp continuous duty DC Speed 0 5 to 11 mph 0 8 to 18 kph 10 mph is equiva...

Page 4: ...Diagram 2 1 The RESET is key number 4 2 Plug the power cord into the wall outlet then turn on the treadmill with the circuit breaker 3 Press keys RESET 5 1 7 6 5 7 6 1 sequentially 4 For C932 and C932...

Page 5: ...ER key to proceed to the lift test 13 The display will momentarily read LIFT A D 14 Two numbers will be displayed the percent of lift and A D number related to the current lift position The A D analog...

Page 6: ...ponse to load conditions As load is increased the power bits are kept at a constant value as set via the SPEED keys and the current and belt speed will vary proportionately to the load 28 It is sugges...

Page 7: ...responds to the current A D number 38 Press either the RESET or SELECT key to continue to the belt speed test 39 The display will scroll BELT SPEED TEST The belt speed will be controlled during this t...

Page 8: ...e in excellent operating condition Note the values displayed at a fixed power bit reading as set by the SPEED keys and your body weight Those values may then be used to benchmark the operation of trea...

Page 9: ...lay 7 The display will momentarily read HOUR METER 8 The operating time of the unit will be displayed as 12345 The operating time is defined as total amount of time that the unit has operated in progr...

Page 10: ...her the RESET or SELECT key 21 The display will scroll HOURS XX The display will indicate the total number of hours of use 22 Press either the RESET or SELECT key 23 The display will scroll UPPER SW V...

Page 11: ...will be displayed The currently selected measurement unit will then be displayed 5 Use the keys to scroll through the available measurement units 6 Press the ENTER key to select the currently display...

Page 12: ...nits will then be scrolled Use the keys to select the desired measurement units 19 Press the SELECT key to select the currently scrolling measurement units and to continue to the next selection 20 The...

Page 13: ...time and to continue to the next selection 28 The display will scroll SELECT MAX COOL DOWN TIME The currently displayed maximum cool down time will then be scrolled 0 to 99 min or no limit Use the key...

Page 14: ...cord the following information Model and serial number Software version number Program number running when the problem occurred A description of a What happened or failed to happen b The action taken...

Page 15: ...e the LED s on the electronic console Make sure that each LED lights as the in formation corresponding to that LED is displayed on the electronic console 3 If during step 1c squeaking noises associate...

Page 16: ...e treadmill circuit breaker in the off position and unplug the line cord from the wall outlet 2 Remove the hood 3 Place the treadmill on it s right side Remove hitch and clevis pins that secure the li...

Page 17: ...mode 7 Set the treadmill circuit breaker in the off position unplug the line cord from the wall outlet 8 Rotate the lift tube clockwise by hand as far as possible Then rotate the lift tube counter clo...

Page 18: ...inch pounds 5 If the drive belt tension is less than 70 or greater than 90 inch pounds slightly loosen the four drive motor mounting bolts The drive motor mounts on slotted holes allowing the drive mo...

Page 19: ...Re install the hood per Procedure 6 11 Diagram 4 3 Drive Belt Adjustment 7 Plug the line cord into the wall outlet and set the treadmill circuit breaker in the on position 8 Check treadmill operation...

Page 20: ...the Commercial Treadmill Service Manual 2 If the treadmill powers up and functions normally until a particular key s is pressed skip to step 13 3 If an Error 5 key depressed message is immediately di...

Page 21: ...ly displayed when the treadmill is powered up replace the upper PCA 11 If a key depressed message is not displayed when the treadmill is powered up replace the display housing front panel The display...

Page 22: ...sing or upper PCA could be defective Replace the display and repeat step 14 If the display housing did not correct the problem re install the original display housing and replace the upper PCA 17 If y...

Page 23: ...set at a known starting position calibration See Procedure 4 1 subsequent motor movement is tracked via the potentiometer resistance reading Note All resistance measurements must be performed with po...

Page 24: ...om the AC outlet Remove the lift motor connector from the J1 connector on the lower PCA Visually inspect the lift motor connector for broken or improperly crimped connections Using an ohmmeter read th...

Page 25: ...roperly crimped connections Using an ohmmeter measure between terminals 1 3 1 2 and 2 3 of the lift motor connector Terminals 1 and 3 should read approximately 1 K The sum of the two readings between...

Page 26: ...ecessary Typically if a problem exists with the speed sensor the drive motor will operate perhaps only briefly before a speed related error occurs errors 20 26 1 Set the treadmill circuit breaker in t...

Page 27: ...eed sensor plug from the lower PCA Measure the voltage between pins 1 4 of the J3 connector on the lower PCA If the voltage is approximately 5 Vdc replace the speed sensor If the voltage is missing or...

Page 28: ...circuit breaker with a capacity of less than 20 amps the A C circuit must be corrected to be a 20 amp dedicated circuit before any reliable troubleshooting can be performed on the treadmill More impo...

Page 29: ...0 amp circuit breaker If the circuit breaker is greater than 20 amps the circuit breaker should be replaced with a 20 amp circuit breaker If the circuit breaker is less than 20 amps the circuit breake...

Page 30: ...y the replacement lift motor on the floor in front of the treadmill and connect it s two plugs to the J2 J5 connectors of the lower logic PCA 6 Calibrate the lift motor per Procedure 4 1 steps 4 7 7 L...

Page 31: ...ess the lift platform mounting pins toward the treadmill frame and out of the lift platform Remove the lift platform from the treadmill Diagram 6 1 Lift Platform Mounting Pin 5 With a screwdriver or s...

Page 32: ...C932 C932i C934 C936i Treadmilll Page 32 Diagram 6 2 Treadmill Frame Trim 8 Check treadmill operation per Procedure 3 Frame Trim Lift Platform Mounting Pin Front...

Page 33: ...removed in step 3 Torque the lower PCA mounting screws to 120 inch pounds 5 The AC input wires are the blue and brown wires AC line filter on the front dress panel Connect the brown AC input wire to t...

Page 34: ...eadmills only remove the jumper from terminals M1 and M6 from the original lower PCA and install it between terminals M1 and M6 of the replacement lower PCA Do not install this jumper on 240VAC treadm...

Page 35: ...ed sensor mounting bracket to the treadmill drive motor See Diagram 6 4 Diagram 6 4 Speed Sensor Mounting 5 Remove the mounting bracket from the drive motor 6 Remove the two screws that fasten the spe...

Page 36: ...he grommet in the lower PCA bracket and insert it in the J3 connector of the lower PCA 10 Slowly rotate the flywheel to ensure that the flywheel lobes do not contact the speed sensor 11 Set the treadm...

Page 37: ...motor pulley 7 Remove the four bolts that fasten the drive motor to its mounting base Remove the drive motor from the treadmill 8 Remove the four screws that fasten the drive motor cooling fan onto t...

Page 38: ...C932 C932i C934 C936i Treadmilll Page 38 16 Check treadmill operation per Procedure 3...

Page 39: ...r mounting screws Remove the circuit breaker from the treadmill 5 Set the replacement circuit breaker in its mounting position When viewed from the front the circuit breaker labeling should be with OF...

Page 40: ...C932 C932i C934 C936i Treadmilll Page 40 9 Check treadmill operation per Section 3...

Page 41: ...ter to the treadmill dress panel 5 Set the replacement line filter in it s mounting position the side with three terminals must face the circuit breaker Fasten the line filter to the treadmill dress p...

Page 42: ...ut and remove the line cord 6 Remove the mounting nut from the replacement line cord and feed the replacement line cord through the treadmill dress panel Fasten the line cord to the circuit breaker mo...

Page 43: ...e four screws that mount the drive motor cooling fan to the drive motor See Diagram 6 6 Diagram 6 6 Drive Motor Cooling Fan Mounting 5 Set the replacement drive motor cooling fan at it s mounting posi...

Page 44: ...the brush spring by depressing the tab on the brush spring 4 Remove the brush from it s brush holder See Diagram 6 7 Diagram 6 7 Drive Motor Brush 5 Slide the replacement brush into the brush holder...

Page 45: ...C932 C932i C934 C936i Treadmill Page 45 9 Replace the hood per Procedure 6 11 10 Check treadmill operation per Procedure 3...

Page 46: ...dmill 4 The rear hood mounting nuts are mounted in slots and are able to float Diagram 6 8 Rear Hood Mounts 5 Set the replacement hood in its mounting position Using a thin bladed screwdriver or simil...

Page 47: ...kage PLCC44 Each of these packages should be removed with a proper IC removal tool see the illustrators below 4 The IC s may inserted into their socket by hand by carefully aligning the notch on the I...

Page 48: ...C932 C932i C934 C936i Treadmilll Page 48 Wiring Diagram 7 1 C932 C932i C934 C936i M3 M1 M6 AC Line Cord 120 VAC Units Only Y V J2 1 J2 2 Lower PCA...

Page 49: ...C932 C932i C934 C936i Treadmill Page 49 Block Diagram 7 2 C932 C932i C934 C936i...

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