Figure 3-20. Dipper latch bar adjustment.
(3) Replacement. The tagline winder is mounted
ment procedures for the tagline are as follows:
(1) Service. The tagline winder must be kept
tagline winder at the tip of the boom base section so that
clean. It must be lubricated in accordance with the
a line drawn through the cable drum lines up with the
lubrication order. Be sure the level of lubricant is
h. Fairlead Service and Replacement.
checked at least semi-annually.
(2) Adjustment. The tagline must be capable of
(1) Service. Lubricate the fairlead with the type of
providing sufficient tension to keep the bucket from
lubricant listed in the lubrication order, at the interval
turning and fouling the clamshell hoisting and closing
listed. Inspect for excessive grooving of the fairlead
lines. The approximate tension required on this tagline is
sheaves or rollers, and report any deficiency to higher
195 pounds. To increase tension, pull the cable out
(2) Replacement. The fairlead is mounted on a
enough to allow an additional wrap on the cable drum.
The amount of tension can be varied to suit individual
bracket located on the front of the revolving frame.
operator preference. The recommended tension is from
Refer to figure 2-17 and remove or replace the fairlead.
two to four wraps on the tagline drum.