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Rotating brush unit and side wiper
• Check proper raising, lowering and proper functioning of the pressure
reinforcement
• Check the brush decoupling and coupling function
• Check the condition and proper functioning of the driver of the rotating
brushes, replace if necessary
• Check the rotating brushes for wear, replace if necessary
• Remove fluff and dirt from the air inlet grilles of the brush motors
• Check the wiper rubber of the side wiper, turn or replace if necessary
• Check the front collision protection with deflecting roller for damage
Flex wall tank
• Check the cover seal of the flex wall tank, replace if necessary
• Check proper functioning of the cover support
• Check the waste water and suction system, replace worn parts
if necessary
• Check the flex wall for damage
• Check the fresh water level indicator, calibrate if necessary
• Check leak tightness and proper functioning of the drain hoses
(fresh and waste water), replace if necessary
• Check the closure and seal at the drain hose, replace if necessary
• Remove coarse dirt and clean the filter sieve
• Check the fresh water supply, replace worn parts if necessary
• Check the cover seal of the fresh water inlet
• Check the sieve insert and cover seal of the fresh water filter for damage,
replace if necessary
Squeegee and vacuum motors
• Check the sealing and slot strip of the squeegee, turn or replace
if necessary
• Check the folding function of the squeegee
• Check the deflecting bracket/deflecting rollers at the squeegee, replace
if necessary
• Check the squeegee setting, reset if necessary
• Check the supporting rollers of the squeegee for ease of movement and
wear, replace if necessary
• Check proper functioning of the vacuum motors
• Check the vacuum motor drainage valve, clean if necessary
B400 R (7190)
Hako system maintenance
5
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