6
B400 R (7190)
Hako system maintenance
Hako system maintenance II:
Pre-sweep suction unit
Check the high dump function (only B400 RH)
Check the hydraulic oil level, top up oil if necessary (only B400 RH).
For oil, see annex
Engine/Vehicle fluids
Check the V-belt drive, replace if necessary
Check the sweeping roller for wear, re-adjust or replace if necessary
Check the sweeping roller setting, reset if necessary
Check the carbon brushes of the sweeping roller motor
Check the agitating function and suction of the filter system
Clean the plate filter
Check the sealing strips in the broom compartment for correct distance
setting, wear and damage, adjust or replace if necessary
Check the side broom for wear, replace if necessary
Check the side broom setting, reset if necessary
Check proper functioning of the coarse dirt flap lock (only B400 RH)
High-pressure cleaner
One-off oil change. For oil, see annex
Engine/Vehicle fluids
Spray the following locations on the machine with penetrating
lubricant:
Caution! Do not spray DU dry or plain bearing bushes!
Hinges at the squeegee lift system
Hinges at the side deflectors
Hinge and joint locations of the brush lift system
Grease the high dump chain (only B400 RH)
Lubricate the grease nipple on the lifting cylinder (only B400 RH)
Check the optical condition of the machine (corrosion and labels)
Trial run and function test
Every 500 hours
All maintenance work according to Hako system maintenance I
Check the following electrical output:
Drive motor
Brush motors
Suction turbines
Pre-sweep suction unit with side broom
Check the side broom system for ease of movement and damage,
repair if necessary
Check the brush unit lift system for ease of movement and damage,
repair if necessary
