Alto MPV-60 - Hopper; To Clean Hopper; To Check Hopper Seals; Dust Flaps

American-Lincoln 1-33
MPV 60
HOPPER
The hopper houses the debris compartment, the dust control filter and the vibrating arm. For maximum perfor-
mance and service life, keep the hopper clean and inspect the seals and flaps daily.
Clean the hopper prior to parking the sweeper at the end of the day. A clean hopper will make inspecting the
flaps and seals much easier and will prevent premature deterioration of hopper components. Do not leave the
hopper full of debris while in storage or when parked for extended periods of time
TO CLEAN HOPPER
Once the hopper has been emptied the insides of the hopper should be rinsed out with water.
TO CHECK HOPPER SEALS
The Hopper seals are important to positive dust control while sweeping. Damaged seals will reduce vacuum
pressure at the broom. Inspect for cuts, tears and proper positioning of the seal material. Replace all seals that
become damaged.
DUST FLAPS
The dust flaps are very important to sweeping and dust control and are susceptible to damage and should be
inspected daily and maintained in good condition.
TO CHECK THE DUST FLAPS
The Dust Flaps are used on the Wheel Well, Broom Chamber and Broom Door. Inspect the Flaps daily and
replace any flap that shows signs of wear or deterioration. All flaps should be replaced when worn or damaged to
the point that they can no longer perform their normal function. The adjustable Flaps have slotted mounting holes
to facilitate adjustment.
TO ADJUST THE DUST FLAPS
Adjust the flaps so there is a 1/8" to 1/16" Gap between the floor and the bottom edge of the flaps. The rear flap
adjustment is 1/16" (16 cm.) above the floor.
1. Park Sweeper on a smooth level surface and engage the Parking Brake.
2. Loosen the Flap retaining screws and adjust the flap to clear the floor and leave a 1/16" to 1/8" Gap.
3. Tighten Flap retaining screws while holding flap in position.
4. Drive sweeper on a smooth surface and recheck the flaps for proper floor clearance.
HOPPER
SEALS
VIBRATION
ARM
HOPPER
FLAPS
DUST
CONTROL
FILTER
C-0551A/0703
C-0551A FIGURE 34
SERVICE INSTRUCTIONS
HOPPER SERVICE