Ge nera lm ain ten anc e, General maintenance – SkyTrak 10054 Operation Manual User Manual

Page 161

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background image

Ge

nera

lM

ain

ten

anc

e

159

Model

10054

Rev

3/02

11.M

easur

et

hes

agi

nt

heint

ermed

iate

boom

extend

chai

nsbetw

een

the

bottom

ofthe

chain

sa

ndt

het

opo

fthe

prim

ary

inter

mediat

e

boom

att

heir

clos

est

point

(F

igur

e111)

.A

cc

eptab

leboo

mc

hain

sag

is

between

1.5"

(38

mm)

and

2.5"

(64

mm).

Ifth

emea

sure

ment

is

less

than

1.5"

(38

mm),

the

inter

media

teboo

mc

hain

snee

dt

ob

e

adju

sted.

See

“Inter

medi

ateBoo

mCh

ain

Ten

sion

Adj

ustme

nt”on

page

160.

Figu

re

11

1

OA0

491

Interme

diateBoo

m

Ch

ain

Sag

Ce

nter

Se

ctio

nO

f

Primary

Interme

diate

Boom

General Maintenance

159

Model 10054

Rev 3/02

11. Measure the sag in the intermediate boom extend chains between

the bottom of the chains and the top of the primary intermediate
boom at their closest point (Figure 111). Acceptable boom chain
sag is between 1.5" (38 mm) and 2.5" (64 mm). If the measurement
is less than 1.5" (38 mm), the intermediate boom chains need to be
adjusted. See “Intermediate Boom Chain Tension Adjustment” on
page 160.

Figure 111

OA0491

Intermediate Boom

Chain Sag

Center Section Of

Primary Intermediate

Boom

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