Operator's Manual

ReplacingtheTrencherChainWear
Strip
1.Loosenthetrencherchain;refertoDecreasingthe
ChainTension(page19).
2.Liftthechainatthetopoftheboom,andinstallblocks
betweenthechainandtheboom(Figure38).
Note:Supportingthechainatthebottomofthe
boomhelpsbyliftingthechainabovethewearstrip.
Figure38
1.Blocks
4.Support
2.Diggingchain5.Wearchannel
3.Wearstrip
3.Removethe5boltsthatsecurethewearstriptothetop
oftheboom(Figure39).
Figure39
Thediggingchainhasbeenremovedforclarity.
1.Bolt2.Wearstrip
4.Removethewearstrip(Figure39).
5.Cleanthethreadsofthebolts.
6.Applymedium-grade(serviceremovable)
thread-lockingcompoundtothethreadsofthebolts.
7.Aligntheholesofthenewwearstripwiththeholesin
thetopoftheboom(Figure39).
8.Securethewearstriptothetopoftheboomwiththe
boltsthatyoupreviouslyremoved(Figure39).
9.Removethewoodblocksandlowerthechainontothe
boom.
10.Adjustthechaintensionofthetrencher;referto
CheckingtheChainTension(page18).
ReplacingtheTrencherWearChannel
1.Loosenthetrencherchain;refertoDecreasingthe
ChainTension(page19).
2.Removethe10boltsthatsecurethewearchannelto
thebottomleftandbottomrightsidesoftheboom
(Figure40).
Figure40
Thediggingchainhasbeenremovedforclarity.
1.Bolt3.Boom
2.Wearstrip
3.Removethetrencherwearchannel(Figure40).
4.Cleanthethreadsofthebolts.
5.Applymedium-grade(serviceremovable)
thread-lockingcompoundtothethreadsofthebolts.
6.Aligntheholesofthenewwearchannelwiththeholes
inthebottomleftandbottomrightsidesoftheboom
(Figure40).
7.Securethewearchanneltothebottomoftheboom
withtheboltsthatyoupreviouslyremoved(Figure40).
8.Adjustthechaintensionofthetrencher;referto
CheckingtheChainTension(page18).
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