Oregon 720-120 Original Instruction Manual page 40

6 Maintenance and Service
4 Set the top-plate angle to 25°. See section
5.2.3, "Set the top-plate angle" for
instructions.
5 Set the chain pusher switch to ON.
6 Place a 0.019" (0.05 mm) feeler gauge (B)
between the lifting arm (C) and the flange
(A), and make sure that the lifting arm
completely meets the flange for about 1.5
seconds before it lifts again.
B
C
• If the test is successful, the wire does not
need to be adjusted. The test is finished.
• If the lifting arm and flange do not
completely meet or do not meet long
enough, perform the next steps.
40
585124ab_Auto Chain Grinder_OM_720-120.indd 40
A
• If the wire is damaged or worn, it must
be replaced; see section 8.2, "List of
accessories." When it has been replaced,
repeat steps 1-8.
7 Set the chain pusher switch to OFF.
8 To set the wire so that the lifting arm meets
the flange:
• for a shorter time: turn the 2 nuts (D) in
the direction towards the machine.
• for a longer time: turn the 2 nuts (D) in the
direction away from the machine.
D
9 Repeat steps 5-8 until the test is successful.
720-120
3/1/17 3:05 PM