Owner`s manual
Rev: 07/2009  Brush Master™ Chipper/Shredder with 2-Way Feed 
11 
Heavy Duty Power Equipment 
Troubleshooting 
Problem  Cause  Remedy 
Engine fails to start 
1.  Spark plug wire disconnected. 
2.  Fuel tank empty or stale fuel. 
3.  Throttle control lever not in correct 
starting position. (If equipped) 
4.  Choke not in CHOKE position. (If 
equipped) 
5.  Engine not primed. 
6.  Blocked fuel line. 
7.  Faulty spark plug. 
8.  Low oil 
1.  Connect wire to spark plug. 
2.  Fill tank with clean, fresh gasoline. 
3.  Move throttle lever to FAST position. 
4.  Move choke to CHOKE position. 
5.  Prime engine. 
6.  Clean fuel line. 
7.  Clean, adjust gap, or replace. 
8.  Fill 
Engine runs erratic 
1.  Spark plug wire loose. 
2.  Unit running on CHOKE. (If equipped) 
3.  Blocked fuel line or stale fuel. 
4.  Water or dirt in fuel system. 
5.  Dirty air cleaner. 
6.  Carburetor out of adjustment. 
1.  Connect and tighten spark plug wire. 
2.  Move choke lever to OFF position. 
3.  Clean fuel line; fill tank with clean, fresh 
gasoline. 
4.  Drain fuel tank. Refill with fresh fuel. 
5.  Clean or replace air cleaner. 
6.  See authorized service dealer 
Too much vibration 
1.  Loose parts or damaged impeller. 
1.  See authorized service dealer. 
Engine overheats 
1.  Engine oil level low. 
2.  Dirty air cleaner. 
3.  Carburetor not adjusted properly. 
1.  Fill crankcase with proper oil. 
2.  Clean or replace air cleaner. 
3.  See authorized service dealer. 
Occasional skip 
(hesitates) 
1.  Spark plug gap too close. 
1.  Adjust gap to.030”. 
Unit does not discharge 
1.  Discharge chute clogged. 
2.  Foreign object lodged in impeller. 
3.  Low engine RPM. 
1.  Stop engine immediately and disconnect 
spark plug wire. Clean flail screen and 
inside of discharge opening. 
2.  Stop engine and disconnect spark plug 
wire. Remove lodged object. 
3.  Always run engine at full throttle. 
Rate of discharge slows 
1.  Low engine RPM. 
2.  Chipper blade dull. 
1.  Always run engine at full throttle 
2.  Replace chipper blade or see your 
authorized service dealer. 
NOTE: For repairs beyond the minor adjustments listed above, contact your nearest authorized service dealer. 










