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14
9.0 User-maintenance
Always disconnect power to
machine before performing maintenance.
Failure to comply may result in serious personal
injury.
9.1 Cleaning
Shut off machine and disconnect before cleaning.
Keep machine exterior clean and free of chips. Use
a brush or vacuum to remove grinding dust and
particles – do not use bare hands. Do not use
compressed, as this may force metal debris into
critical areas of the machine.
Frequently empty grinding dust from any attached
dust collection system.
9.2 Lubrication
Lubrication of the grinder is not required. The drive
motor and contact wheel are fitted with pre-
lubricated and sealed bearings.
9.3 Contact wheel replacement
Move switch to OFF to avoid
personal injury.
If the contact wheel becomes worn, a new contact
wheel can be assembled to the existing wheel shaft
and bearings (refer to Figure 9-1):
1. Lower tension lever to release belt tension.
2. Loosen upper guard knob and swing guard
back for clearance.
3. Loosen handle on head casting.
4. Remove contact wheel assembly.
5. Remove the C-retaining ring (6-4) from wheel
shaft.
6. Remove shaft (6-2) and bearings (6-3) from the
old wheel.
7. Install bearings in new contact wheel.
8. Install shaft and secure with retaining ring.
9. Mount new contact wheel to machine. Refer to
sect. 7-1 for instructions on completing the
installation.
Figure 9-1: contact wheel replacement
9.4 Additional servicing
Any additional servicing should be performed by
authorized service personnel.
10.0 Optional accessories
578173 DBG Stand
414852 3” Hose Clamps (2 pcs)
DBG Stand
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