Pellerin Milnor Corporation 41
BNWHUH01 / 2021444
BNWHUH01 0000335843 B.2 10/27/21 11:59 AM Released
3.4 Maintenance Components—Hydraulic Power
Group
BNWHUH01.C01 0000335933 A.5 B.2 A.4 10/18/21 9:36 AM Released
Figure 25. Hydraulic Power Components and System Oil Capacity
Hydraulic Power Assembly
Legend
1...Breather. Add oil here. Tank capacity = 15.5 gal-
lons (59 liters). Approximate system capacity = 17
gallons (64 liters). You cannot fully remove all oil
from the system in routine maintenance.
2...Remove oil here.
3...Level and temperature gauges
4...Tank is full when the level is here.
5...Housing with oil filter
6...Hydraulic pressure gauge
3.4.1 How to Replace the Hydraulic Oil or Add Oil to the Full
Mark
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If the drain and/or the fill pipe on the tank has a quick disconnect fitting, remove it if necessary to
connect a hose. After you complete the work, put the fitting or a cap on the pipe.
To remove the used oil—
1. Make sure the valve on the drain pipe is closed.
2. Install the hose between the drain pipe and the container you will use to collect the used oil.
Remove the quick disconnect fitting from the drain pipe if necessary.
3. Operate the manual valve to let the oil flow. Close the valve when the tank is empty.
4. Remove the hose and put a cap on the pipe.
To add oil when the oil level is very low or after you remove the used oil—
1. Install the hose between the fill pipe on the tank (Item 1 in , ) and the pump on the container
with the new oil. It can be necessary to remove the fitting from the pipe.
2. Add oil until the level is at the full mark on the level gauge.
3. Remove the hose and put a cap on the fill pipe.
Routine Maintenance
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