Nilfisk-ALTO SR 1450 B-D - Manual (Page 59)

USER MANUAL
33014811(1)2005-07 A 13
Blown filter shaker fuse Excessive motor absorption (see above)
Faulty fuse Replace
Shorted cable Check system
Noisy fan Motor failure Overhaul motor
Fan fails to operate No voltage to motor
Motor failure Check electrical system
Overhaul motor
Skirt fails to open No pressure to cylinder Check cylinder
Locked linkage Check linkage
Skirt gasket lifted by broom Skirt gasket too long Shorten/replace
Poor suction Motor failure Overhaul motor
Clogged or broken closed pocket filter Clean/replace filter
Brooms fail to turn No pressure to motors Check gear pump pressure (replace gear
pump)
Locked distributor Check/replace motor
Check distributor
Excessive broom wear Heavy print Use minimum print width
Surface to be cleaned too abrasive
Excessive/modified broom noise Materials tangled around the broom Remove
Main broom fails to turn No pressure to hydraulic motor Check pump pressure (replace pump)
Locked distributor Unlock distributor
Hydraulic motor failure Replace motor
Main broom fails to lift/lower Locked linkage Check linkage
No pressure to cylinder Check pump pressure (replace pump)
Worn cylinder gasket Replace gasket
Locked distributor Unlock distributor
Side broom fails to turn No pressure to hydraulic motor Check/replace motor
Locked distributor Check distributor
Side broom fails to lift/lower Locked distributor Unlock distributor
Worn cylinder gaskets Replace gaskets
Faulty actuator Check actuator micro-switch/replace actuator
Faulty turn signals Blown fuse Replace fuse
Blown bulbs Replace bulbs
Blown flashing device Replace flashing device
Open turn signal switch Replace switch
Open warning switch Replace switch
Brake lights off Blown fuse Replace fuse
Blown bulbs Replace bulbs
Open stop switch Replace switch
Faulty running lights Blown fuses Replace fuse
Blown bulbs Replace bulbs
Open light switch Replace switch
PROBLEM CAUSE REMEDY