70
Instructions
If the encoder spring is over-tensioned, it may break and need to be replaced. To replace the encoder
spring, take the following steps:
3. Loosen the lock collar screw with the
2.5 mm Allen wrench until the lock collar
(shown in blue) can twist freely.
Lock Collar Screw
Replacing the Encoder Spring
Repairs and Diagnostics
Parts & Tools Needed:
Please speak to a Grace Company
support technician before
attempting these instructions.
Upper Encoder
Spring (Silver)
Lower Encoder
Spring (Black)
OR
T-handle Allen
Wrench 4 mm
4 mm
2.5 mm
T-handle Allen
Wrench 2.5 mm
1. Use the 4mm Allen wrench to loosen the
encoder screw and remove the encoder
and wheel.
Encoder Screw
4
3
1. Determine the correct spring to use in the
repair:
Upper Encoder: Attached to the
wheel on the machine. Use the silver
spring.
Lower Encoder: Attached to the
wheel on the bottom carriage. Use the
black spring.
1
2. Unplug the encoder cable from the machine.
2
Encoder
Port
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