
222
Maintenance and Lubrication Section (Pipelayer Attachment Kit) WEBM1000
Hydraulic System Oil - Change
At operating temperature, the hydraulic tank is
hot and under pressure. Hot oil and components
can cause personal injury. Do not allow hot oil or
components to contact skin. Remove the filler
cap only when the engine is stopped, and the
filler cap is cool enough to touch with your bare
hand. Remove the filler cap slowly in order to
relieve pressure.
NOTICE
Care must be taken to ensure that fluids are
contai
ned during performance of inspection,
maintenance, testing, adjusting and repair of the
product. Be prepared to collect the fluid with suitable
containers before opening any compartment or
disassembling and component containing fluids.
Dispose of all fluids according
to local regulations
and mandates.
Operate the machine in order to warm the oil.
Park the machine on level ground. Engage the
parking b
rake and stop the engine.
296
Illustration 296
Hydraulic tank filler cap
Remove the hydraulic tank filler cap (1) slowly in
order to relieve any pressure.
1. Wash the filler strainer and the filler cap in a
clean
nonflammable solvent.
2. Remove oil drain plug (2).
3. Attach a hose to a 1 inch NPT pipe nipple. This 1
inch
NPT pipe nipple should have a length of 100
mm (4 inch).
4. Install the pipe nipple into the drain plug
opening.
5. Rot
ate the pipe nipple clockwise in order to open
the int
ernal drain valve. Allow the oil to drain into
a suitable container.
6. Rem
ove the pipe nipple. The valve for the
hydraulic tank will close.
7. Clean dra
in plug (2) and install drain plug (2).
Tighten dr
ain plug (2) to a torque of 68 ± 7 Nm
(50 ± 5 lb ft).
8. Se
e the Operation and Maintenance Manual,
Maintena
nce and Lubrication section, “Hydraulic
System Oil Filter – Replace”. Change the
hydraulic system filter (4).
9. Se
e the Operation and Maintenance Manual,
Maintena
nce and Lubrication section, “Hydraulic
System Case Drain Filter – Replace”. Change the
hydraulic system case drain filter (5).
10. Install the filler strainer
.
297
Illustration 297
Winch Drains and Case Drain Filter
11. Drain the oil from both of the winches (6 & 7) into
a suitable container.