General maintenance, General main tenan ce – SkyTrak 10054 Operation Manual User Manual

Page 158

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156

Model 10054

Rev 3/02

General Maintenance

3. 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 108). Acceptable intermediate
boom chain sag is between 1.5" (38 mm) and 2.5" (64 mm). If the
measurement is not within the dimensions listed above, the boom
chains need to be adjusted.

Figure 108

Before making any adjustments to the intermediate boom extend chains,
check the following measurement at the rear of the boom.

4. Start the vehicle, retract the boom completely and turn the vehicle

OFF.

OA0491

Intermediate Boom

Chain Sag

Center Section Of

Primary Intermediate

Boom

156

Model

10054

Rev

3/02

General

Main

tenan

ce

3.M

easur

et

hes

agi

nt

heint

ermed

iate

boom

extend

chain

sbetw

een

the

bottom

ofthe

chain

sa

ndt

het

opo

fthe

prim

ary

inter

mediat

e

boom

att

heir

clos

est

point

(F

igur

e108)

.A

cc

eptab

lein

termed

iate

boom

chain

sag

is

between

1.5"(

38mm)

and

2.5"

(64

mm)

.If

the

meas

urem

entis

notwit

hinthe

dimen

sions

lis

ted

above

,t

heboo

m

cha

ins

need

tobe

adjus

ted.

Figu

re

10

8

Bef

ore

mak

ing

any

adjus

tments

tothe

inter

media

teb

oome

xte

ndc

hain

s,

chec

kt

hef

ollo

win

gm

ea

su

re

me

nta

tt

he

rea

ro

ft

he

boo

m.

4.

Sta

rt

the

veh

ic

le,

ret

rac

tt

heb

oom

co

mple

tely

and

tur

nt

hev

ehi

cle

OFF.

OA0491

In

termedia

teBoo

m

Ch

ainSag

Ce

nter

Se

ctio

nO

f

Primary

Interm

edia

te

Boom

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