P778
Sheave
Cluster
A537
Shims 0,737 mm (0.029 in) and 1,499 mm (0.059 in)
thick installed equally on both ends of each sheave
cluster to limit end play to 0,762 mm (0.030 in)
Flat
Washer
Elastic
Stop Nut
Support
Rope
Guard
Saddle
Bolt
Flat
Washer
View with Outer Two Sheave
Clusters Removed
Lower Boom Point
Saddle
Sheave
Cluster
Flat
Washer
Bolt
Shims 0,737 mm (0.029 in) and 1,499 mm (0.059 in)
thick installed equally on both ends of each sheave
cluster to limit end play to 0,762 mm (0.030 in)
Rope
Guard
Spanner Nut
(each sheave cluster)
Flat
Washer
Elastic
Stop Nut
Shaft
(each sheave cluster)
View with Outer Two
Sheave Clusters Installed
FIGURE 4-50