Operator's Manual

5
InstallingtheBoomand
DiggingChain(Sold
separately)
Partsneededforthisprocedure:
1
Boomassembly(soldseparately)
1
Chain(soldseparately)
Procedure
1.Raisethetrencherabout15cm(6inches)offofthe
ground.
2.Stoptheengineandremovethekey.
3.Slidetheboomoverthearmonthedrivehead(Figure
32).
g023162
1 2
3
4
5
6
Figure32
1.Piston4.Washer
2.Nut
5.Coverplate
3.Bolt(5/16x1-1/4inch)6.Bolt(1/2x3-1/4inch)
4.Placethepistoninsidetheboomhousingandinstall
thecoverplatewiththe4bolts(5/16x1-1/4inch)
and4washers.
5.Securetheboomassemblytothetrencherdrivewith
the4bolts(1/2x3-1/4inch)and4nuts.
6.Raisethetrencherabout6inches(15cm)offofthe
ground.
7.Stoptheengineandremovethekey.
8.Ifthechainisnotconnected,connectthelinksby
pressingorhammeringtheclevispinsuppliedwiththe
chainthroughthelinks.
Important:Toavoidbendingthechainlinks,
placeblocksunderandbetweenthelinkswhen
hammeringtheclevispinthrough.
9.Securetheclevispinwiththecotterpinsuppliedwith
thechain.
10.Loopthediggingchainovertheaugerdriveshaftand
ontothedrivesprocket,ensuringthatthediggingteeth
pointforwardontheupperspan.
11.Settheupperspanofthechainintoplaceonthe
trencherboom,thenwrapthechainaroundtheroller
attheendoftheboom.
RefertoServicingtheTrencherDiggingChain(page22)to
adjustthechaintension.
6
InstallingtheSafetyBar
Partsneededforthisprocedure:
1
Safetybar
2
Bolts(5/8inch)
2
Locknuts(5/8inch)
Procedure
Ensurethatyouinstallthecorrectsizesafetybarforthe
sizeofboomyouareusing.
TrencherBoomSizeSafetyBarSize
61cm(24inches)92cm(36inches)
92cm(36inches)122cm(48inches)
SeeFigure33asaguideonhowtomeasuretheboomand
safetybar.
g023234
Figure33
Installthesafetybarusingthe2boltsand2locknuts(Figure
34).
15