Mathey Dearman Band Machine - Manual (Page 28)

28
Table 7
– Trouble Shooting the Band Crawler (cont.)
Motorized Only
Symptom Probable Cause Corrective Action
Motor
rotates and
Wheels do
not turn
1. Tip in side bore of Coupling on the Worm
Gear Shaft Assembly (11). 1. Replace the Worm Shaft Assembly. See Instruction
“D”.
2. The Cables of Worm Gear Shaft Assemblies
(17) are sheared. 2. Replace the Worm Shaft Assembly(s). See
Instruction “C”.
3. The Setscrews in Brass Gear of the Worm
Shaft Assemblies (17) are sheared. 3. Tighten Setscrew in Brass Gear. See Instruction
“C”.
4. Spring Pin connecting the Worm Gear to the
Worm Shaft Assembly (11) is sheared. 4. Replace the Worm Shaft Assembly. See Instruction
“D”.
5. Torch is too close to the wheel(s) causing the
bearing to seize because of too much heat. 5. Replace the Worm Gear Shaft Assembly(s) (17).
See Instruction “D”.
6. Motor Shaft is sheared. 6. Replace Motor Shaft (PN: 05-0116-017)
Motor does
not rotate
1. No Power at electrical connect. 1. Use another electrical source
2. Fuse is Blown 2. Replace fuse (PN: 01-0427-008)
3. AC Power cord is cut
3. Return Motor Control Box to Mathey Dearman for
Repair.
4. DC Cord between Motor Control
Box and Crawler has open circuit 4. Return Motor Control Box to Mathey Dearman for
Repair.
5. Forward – Stop – Reverse switch is
broken 5. Return Motor Control Box to Mathey Dearman for
Repair.
Machine will
only rotate
in one
direction
1. Forward/Stop/Reverse Switch is broken
1. Return Motor Control Box to Mathey Dearman for
Repair
Note: Circuit Board of the Motor Control Box is extremely thin and excessive heat will severely damage the circuit board.
Note: Individual electrical components of the Motor Control Box circuit are not available from Mathey Dearman, Inc.
Warning: The WARRANTY IS VOID if any attempt is made to repair the Motor Control Box. If under warranty, Please send
to factory for any needed repairs.