Increasing the Chain Tension
WARNING
If you remove the grease fitting from the boom
before you release the pressure in the system,
personal injury may result.
Before removing the grease fitting, loosen (but do
not remove) the plug on the opposite side of the
boom.
Grease Type: Lithium-based grease
1.
Locate the cap for the grease fitting at the side plate on
the left side of the boom (
).
Figure 34
1.
Bolt
4.
Grease fitting
2.
Lock bar
5.
Dust cap
3.
Side plate
2.
Clean the area around the dust cap with a cleaning
solvent (
).
3.
Use a needle-nose pliers to rotate the dust cap
counterclockwise and remove the cap from the grease
fitting (
4.
Loosen the bolts that secure the lock bars and the side
plates on the left side of the boom (
).
•
4 bolts for the short boom (
•
5 bolts for the large boom (
g0359 03
Figure 35
5.
Connect a grease gun with the specified grease to the
grease fitting.
6.
While observing the chain gap, pump the grease gun
until the gap between the wear strip and the chain is 51
to 76 mm (2 to 3 inches); refer to
7.
Remove the grease gun from the fitting and install the
dust cap.
8.
Torque the 4 bolts (
) that secure the lock bars
and the side plates to 190 to 215 N-m (140 to 159 ft-lb).
9.
Perform the steps in
Checking the Chain Tension (page
.
20