Motor SEM
Page 72
TT-316-36
MT-316-06
SERVICE LIMITS
This is a generic section covering all currently available SEM motors at the time this manual was revised.
The service limits listed below are for each of the motors, by the specification number of the motor shown. The
specification number can be found on the spec plate attached to the motor.
Motor part Number
(Specification Number)
Undercut Depth
Commutator Diameter
(min)
Brush Length
(min)
Resistance
(Ohms@75º F)
mm
inches
mm
inches
mm
inches Armature
Field
70-054-41
(XP-1789 or DY2-4001)
0.635
0.025
69.85
2.75
15.87
0.625
0.011
0.43
70-054-42 (DY8-4002)
0.635
0.025
69.85
2.75
15.87
0.625
0.011
0.43
This section is one section of a complete service
manual. Before starting any procedure, read all
warnings and instructions that are located in the
Service Guidelines chapter.
WARNING
OPTIONAL MOTOR BRAKE
Note: Although disassembly of the brake is outlined,
individual brake components are not available. If
any one brake component is faulty then the brake
is replaced as an assembly.
Remove and Disassemble
1: Disconnect the harness from the brake coil.
2: Remove the rubber sealing band from around the
brake.
3: Install two 1/4-20 x 1-1/4 screws to hold the brake
assembly together.
4: Insert a hex key through the 3 access holes
and remove the three screws holding the brake
assembly to the motor.
5: Slightly loosen the three adjuster nuts.
6:
Remove the three flat head screws and remove
the outer pressure plate and friction hub.
7: Remove the three adjuster nuts
8: Remove the two 1/4 retaining bolts and remove the inner pressure plate.
9: Remove the springs from the magnet coil.
Assemble and Install
1: Thoroughly clean and inspect all components. Make sure there is no debris in the spring bores.
2: Install the springs.
3: Place the inner pressure plate onto the springs and install two 1/4-20 x 1-1/4 retaining bolts. Sequentially
tighten the two bolts until the plate is against the coil fully but they do not need to be torqued down.
4:
Install the three adjuster nuts finger tight to the pressure plate.
5: Place the friction hub into the coil/plate assembly.
6:
Place the outer pressure plate on top of the friction hub and install the three flat head screws. Do not torque
down at this time. They must be left a bit loose to allow for adjustment.
7: Remove the 2 retaining bolts.
8: Refer to the brake section for adjustment of the brake.
Summary of Contents for TT-316-36
Page 6: ......
Page 12: ...Page 12 MT 316 06 Introduction TT 316 36 Notes...
Page 16: ...Service Maintenance Guidelines Page 16 TT 316 36 MT 316 06 Notes...
Page 23: ...Lubrication PM Page 23 MT 316 06 TT 316 36 LUBRICATION DIAGRAM SD Transaxle...
Page 30: ...Front Axle Page 30 TT 316 36 MT 316 06 Notes...
Page 47: ...Transaxle Page 47 MT 316 06 TT 316 36...
Page 52: ...Steering Page 52 TT 316 36 MT 316 06...
Page 78: ...Tires Wheels Page 78 TT 316 36 MT 316 06 Notes...
Page 100: ...ILLUSTRATED PARTS Page 100 Model TT 316 36 MT 316 03 AXLE FRONT AXLE REAR...
Page 102: ...ILLUSTRATED PARTS Page 102 Model TT 316 36 MT 316 03 BRAKE FRONT...
Page 104: ...ILLUSTRATED PARTS Page 104 Model TT 316 36 MT 316 03 BRAKES REAR...
Page 106: ...ILLUSTRATED PARTS Page 106 Model TT 316 36 MT 316 03 BRAKE LINES...
Page 112: ...ILLUSTRATED PARTS Page 112 Model TT 316 36 MT 316 03 ELECTRICAL MISCELLANEOUS...
Page 114: ...ILLUSTRATED PARTS Page 114 Model TT 316 36 MT 316 03 FRAME AND BODY MISC...
Page 118: ...ILLUSTRATED PARTS Page 118 Model TT 316 36 MT 316 03 INSTRUMENT PANEL...
Page 124: ...ILLUSTRATED PARTS Page 124 Model TT 316 36 MT 316 03 SPEED CONTROL PANEL...
Page 134: ...ILLUSTRATED PARTS Page 134 Model TT 316 36 MT 316 03 Notes...
Page 135: ......