Service and Maintenance
WP1624
Firewood Processor
54
8.4 Hydraulic Oil – Changing
CAUTION!
Risk of burns to exposed skin.
Hydraulic oil becomes hot during
operation. Hoses, lines, and other
parts become hot as well. Wait for
the oil and components to cool
before starting any maintenance or
inspection work.
W028
Change the hydraulic oil in the reservoir at 100 hours of
operation or annually.
IMPORTANT! Clean the suction strainers and return filter in
the tank at the same time.
• Hydraulic oil type: Dexron III ATF.
• Hydraulic oil tank capacity: 26 US gal (102 L)
The hydraulic tank drain plug is located under the machine. A
3/8" Allen wrench is required to remove it.
01058
3/8"
Fig. 80 – Hydraulic Tank Drain Plug
Procedure
1. Have a drain pan ready of suitable capacity.
2. Clean the area around drain and remove the drain plug.
3. Allow the oil to fully drain, then flush the tank. Dispose of
used oil in a environmentally acceptable fashion.
4. Install the drain plug.
5. Clean the suction strainer filters before filling the tank.
8.4.1 Suction Strainers, Cleaning
The three suction strainers are made of stainless steel screen
and are reused. The strainers are located on the bottom of the
tank at the pump suction line connections.
01056
Fig. 81 – Suction Strainers
01057
1
2
3
Fig. 82 – Suction Strainer Removal
1. Suction Strainer
2. Nipple
3. Shut-off Valve
1. Remove the hose and shut-off valve.
2. Remove the suction strainer and place it in a solvent tank.
Use a small brush to clean it. Examine the strainer screen
and replace it if there are holes or damage.
3. Dry the suction screen thoroughly, then re-install the
strainer, valve and suction hose.
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