Gradall G-550C Operation And Maintenance Manual page 34

G-660C & G-880C GRADALL (Crawler)
TRACK ROLLERS
MODEL NEW
G-660C 6.11" 6.08"
G-880C 6.06" 6.05"
MODEL NEW
G-660C .75"
G-880C .78"
SPECIAL TOOL FOR SERVICING CRAWLERS
There are many different automated power tools to
help when rebuilding the crawler track, chains, pins,
rollers, idlers, etc., and any good qualified distributor
will either have these tools or will have access to them.
They include:
A-- Hydraulic Press to remove the master pin.
B-- Drill Press Machine to handle the removal or
installation of track pads.
Automatic Horizontal Press to removed and
C--
install new pins in the track chain.
34
OPERATION & MAINTENANCE
25% 50% 75% 100%
6.05" 5.9"
6.0" 5.9"
FRONT IDLERS
25% 50% 75% 100%
.78" .84" .89"
.83" .89" .97"
5.86"
5.83"
.98"
1.11"