
141
WEBM1000 Maintenance Section (D6T LGP (OEM))
Engine Oil and Filter - Change
1. Remove the bolt in order to remove the
crankcase drain access cover, which is in the
crankcase guard.
177
Illustration 177
(1) drain valve
(2) shutoff valve
(3) drain valve elbow
(A) Left view
(B) Rear view
2. Install a drain hose (not shown) onto drain valve
elbow (3).
3. Open shutoff valve (2). Allow the oil to drain into
a suitable
container.
4. When the oil has completed draining from the
crankca
se, close shutoff valve (2). Remove the
hose. Install the crankcase drain access cover in
the crankcase guard.
178
Illustration 178
5. Open the engine access door on the right side of
the machine.
6. Clean the area around engine oil filter (2) before
you r
emove the engine oil filter. Remove the
engine oil filter with a strap type wrench. Refer to
Operation and Maintenance Manual, “Oil Filter -
Inspect”.
7. Cle
an the base of the engine oil filter housing.
Make
sure that all of the old filter gasket is
removed.
8. Apply
a thin coat of oil to the seal on the new
filter.
9. Install
the new engine oil filter by hand until the
seal of th
e engine oil filter contacts the base.
Note the position of the index marks on the filter
in relation to a fixed point on the filter base.
Note: Th
ere are rotation index marks on the engine
oil filter
that are spaced 90 degrees or 1/4 of a turn
away from each other. When you tighten the engine
oil filter, use the rotation index marks as a guide.
10. Tigh
ten the filter according to the instructions
that ar
e printed on the filter. Use the index marks
as a guide. For non-Cat filters, use the
instructions that are provided with the filter.
Note: Y
ou may need to use a Cat strap wrench, or
another
suitable tool, in order to turn the filter to the
amount that is required for final installation. Make
sure that the installation tool does not damage the
filter.
179
Illustration 179
11. Open the left engine access door.
12. Clean the area around oil filler cap (4) before
you
remove the oil filler cap. Clean the area around
oil level gauge (5) before you remove the oil level
gauge. Remove the oil filler cap. Fill the
crankcase with new oil. See the topic Operation
and Maintenance Manual, “Refill Capacities” and
“Lubricant Viscosities” in this manual.
13. C
lean oil filler cap (4) and install oil filler
cap (4).
14. Start the engine and allow the oil to warm.
Check the en
gine for leaks.