Alto MPV-60 - Hydraulic System Service; Hydraulic Oil Cooler; To Fill the Hydraulic Reservoir; To Clean the Hydraulic System

1-36 American-Lincoln
MPV 60
SERVICE INSTRUCTIONS
HYDRAULIC SYSTEM
The brooms, hopper lift , hopper door, drive motor and vacuum fan are hydraulic powered. It is very important to
prevent contamination in the hydraulic system. Contamination in the fluid will cause damage to all the hydraulic
components. Follow the service chart and be very careful not to allow contaminants to enter the reservoir.
Wipe the area surrounding the fill cap before opening.
HYDRAULIC OIL COOLER
The hydraulic oil cooler is located next to the radiator. The cooler can be accessed by opening the engine cover.
The oil cooler core must be kept clear of debris and dust.
TO FILL THE HYDRAULIC RESERVOIR
Follow these instructions to add fluid to the reservoir as needed.
1. Open the engine cover.
2. Open the hydraulic reservoir breather filler cap.
3. Remove any debris that is in the breather filler cap screen
4. Fill the reservoir until the fluid is visible in the sight glass that is located on the side of the reservoir.
Do not overfill the reservoir.
5. Close the hydraulic reservoir breather filler cap.
6. Close the engine cover.
TO CLEAN THE HYDRAULIC SYSTEM
To assure proper cleaning of the hydraulic system, follow and complete all steps below in order.
TO DRAIN THE HYDRAULIC RESERVOIR
Follow these instructions to drain the hydraulic reservoir.
1. Set the parking brake.
2. Open the engine cover.
3. Place a container under the reservoir drain to catch the reservoir fluid.
4. Remove the drain plug. The reservoir fluid will drain.
5. Properly Dispose of used fluid. Never refill the reservoir with used fluid.
HYDRAULIC OIL
COOLER
HYDRAULIC
RESERVOIR
HYDRAULIC
SUCTION
STRAINER
RESERVOIR
FILL CAP
RETURN FI
L
TER
AND
PRESS. GAUGE
C0547
C-O547 FIGURE 36
HYDRAULIC SYSTEM SERVICE