John Deere SB1274 ユーザーズマニュアル

OM 0391SB1274-A 

27

Check the shearbolts indicated on the figure 
below at frequent intervals for proper tightness to 
be sure the blower is in safe working condition. If 
the shearbolts need replacement, use the 
following parts only: 

Drive Shaft:   

Serial # XFSB12X090054 & less =  

shearbolt 5/16"NC x 1 3/4" gr. 5 and nut, 
part# 5RD665547 

Serial # XFSB12X100001 & up =  

shearbolt 5/16"NC x 1 1/4" gr. 2, 
lockwasher and nut, part# 5RD669345 

Bolt M10 x 1.50mm x 55mm long gr.8.8 PTD 
including nut. Part # 5RD657199. 

 
 

  WARNING:  Provide adequate blocking 

before working under the snowblower when in the 
raised position. 
 

IMPORTANT: When the snowblower is not 
used for more than two weeks, perform 
driveline maintenance and always store it in a 
dry place, away from bad weather conditions.