Service Manual

TROUBLESHOOTING (cont’d)
BBC
Symptom: Blade does not stop within three seconds
Possible Cause
Adjust BBC cable
BBC cable not adjusted properly
Remedy
-Brake pad worn
Inspect and repair brake plate system
Brake plate spring malfunctioning
Service pivot point Brake plate binding at pivot point
Replace brake plate
Symptom: Control bar does not stay in middle position
Remedy I
Detent (buckling) spring malfunctioning
Repair and replace leaf spring (P/N
52-7410) Control hook and cable lever not disengaging
Replace spring (P/N
66-0190)
Symptom: Blade slow coming up to speed
Possible Cause Remedy I
BBC cable mis-adjusted Adjust BBC cable I
BBC belt slipping
Service BBC brake plate
Binding
in BBC brake plate pivot point
Replace belt
Grass build
up in BBC area
Clear BBC area of debris
1
I I
Symptom: BBC disengages when control bar is raised
Possible Cause
Service brake plate pivot point Brake plate
binding
Adjust BBC cable
BBC cable too tight
Remedy
Grass build
up in BBC area Clear BBC area of debris
Symptom: BBC does not engage
Possible Cause Remedy I
Torsion spring (P/N 46-5510) in Replace torsion spring
control box malfunctioning
Brake plate binding at pivot point
Clear BBC area
of debris
Grass
build up in BBC area
Service brake plate pivot point
Troubleshooting
14
Vacu-Power Mower