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MAINTENANCE 
 DR
®
 SNOW THROWER Safety, Operation & Maintenance Instructions 
19
 
Shear Bolt Replacement (Figure 11)
 
If you strike a foreign object (wood, stone, etc.) 
there is a safety shear bolt on the driving 
system. This shear bolt will break, eliminating 
any driving force to the auger. 
!
 WARNING:  Always disconnect the spark 
plug wire before servicing your machine. 
1.  To replace the shear bolt, stop the DR
®
 
ALL-TERRAIN
 MOWER and remove the 
spark plug wire. 
2.  Remove the bolts (item 1), and remove the 
belt cover (item 2). 
3.  Make sure that there is no debris remaining 
in the shaft hole. 
4.  Align the pulley hole with the shaft hole 
(item 3) and install the new shear bolt and 
nut (item 4). Tighten securely. 
5.  Reinstall cover and bolts. 
Lubrication 
!
 WARNING:  Always disconnect the spark 
plug wire before servicing your machine. 
Lubricate the drive chain with chain saw chain 
lubricant every 2 hours of operation and also 
after each use
Storage 
Before storing the DR
®
 SNOW THROWER, 
certain precautions should be taken to protect it 
from deterioration. 
!
 WARNING:  Always disconnect the spark 
plug wire before servicing your machine. 
1.  Clean the DR
®
 SNOW THROWER 
thoroughly. 
2.  Make all the necessary repairs. 
3.  Repaint all parts from which paint has worn 
or peeled. 
4. Lubricate 
the 
DR
®
 SNOW THROWER as 
instructed under Lubrication
5.  When the DR
®
 SNOW THROWER is dry, 
lubricate all moving parts.  Apply Fluid 
Film
®
 or comparable lubricant liberally to 
all surfaces to protect against rust. 
6.  Store in a dry place. 
 
Figure 11