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1-1 Trencher Service Manual
MAINTENANCE SAFETY
WARNING
Never service attachments / implements withoutinstructions. See Operation & Maintenance Manual andAttachment / Implement Service Manual.
Cleaning and maintenance are required daily.
Never service or adjust attachment / implement with theengine running unless instructed to do so in manual.
Always lower the attachment / implement to the groundbefore lubricating or servicing.
Avoid contact with leaking hydraulic fluid or diesel fuelunder pressure. It can penetrate skin or eyes.
Stop, cool and clean engine of flammable materials beforechecking fluids.
Keep body, loose objects and clothing away from movingparts, electrical contacts, hot parts and exhaust.
Safety glasses are needed for eye protection from electricalarcs, battery acid, compressed springs, fluids underpressure and flying debris or when tools are used. Use eyeprotection approved for type of welding.
MSW30-0409
P-90216
CORRECT
WARNINGInstructions are necessary before operating or servicing machine. Read andunderstand the Operation & Maintenance Manual, Operator’s Handbook andsigns (decals) on machine. Follow warnings and instructions in the manualswhen making repairs, adjustments or servicing. Check for correct function afteradjustments, repairs or service. Untrained operators and failure to followinstructions can cause injury or death. W-2003-0807
Safety Alert Symbol: This symbol with a warning statement, means: “Warning, be alert! Your safety is involved!” Carefully read the message that follows.
1-2 Trencher Service Manual
1-3 Trencher Service Manual
CONTENTS
SAFETY & MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-01
HYDRAULIC SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-01
MAIN FRAME . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-01
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SPEC-01
ALPHABETICAL INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .INDEX-01
1-4 Trencher Service Manual
1-5
FOREWORD
SERIAL NUMBER LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7Attachment Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
DELIVERY REPORT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
ATTACHMENT IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
1-6
1-7 Trencher Service Manual
SERIAL NUMBER LOCATION
Attachment Serial Number
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Always use the serial number of the trencher whenrequesting service information or when ordering parts.Early or later models (identification made by serialnumber) may use different parts, or it may be necessaryto use a different procedure in doing a specific serviceoperation [Figure 1], [Figure 2], [Figure 3], [Figure 4],[Figure 5], & [Figure 6].
P-22775
LT102
P-27786
LT102A
P0244
LT203 & LT204
P15675
LT303 & LT304
P-94735
LT305
P3348
LT405
18” & 24” HIGHFLOW
14” STANDARDFLOW
16” SURFACE
40” HIGHFLOW
1-8 Trencher Service Manual
SERIAL NUMBER LOCATION (CONT’D)
Attachment Serial Number (Cont’d)
Figure 7
Always use the serial number of the trencher whenrequesting service information or when ordering parts.Early or later models (identification made by serialnumber) may use different parts, or it may be necessaryto use a different procedure in doing a specific serviceoperation [Figure 7].
P-27848
MX102
1-9 Trencher Service Manual
DELIVERY REPORT
Figure 8
The delivery report [Figure 8] must be completed by thedealer and signed by the owner or operator when thetrencher is delivered. An explanation of the form must begiven to the owner.
P-20022
1-10 Trencher Service Manual
ATTACHMENT IDENTIFICATION
P-22777
P-22776
LT102
DIGGING CHAIN
QUICK COUPLERS
HYDRAULIC MOTOR
LT102
X-CHANGE MOUNT
AUGER
1-11 Trencher Service Manual
ATTACHMENT IDENTIFICATION (CONT’D)
P-27785
P-27784
LT102A
DIGGING CHAIN
HYDRAULIC MOTOR
QUICK COUPLERS
LT102A
MOUNT
AUGER
1-12 Trencher Service Manual
ATTACHMENT IDENTIFICATION (CONT’D)
P5742
P5741
LT203 & LT204
DIGGING CHAIN
HYDRAULIC MOTOR
QUICK COUPLERS
MOUNT
AUGER
LT203 & LT204
1-13 Trencher Service Manual
ATTACHMENT IDENTIFICATION (CONT’D)
P15673
P15672
LT303 & LT304
HYDRAULIC MOTOR
QUICK COUPLERS
DIGGING CHAIN
TRENCH CLEANER
MOUNT AUGER
LT303 & LT304
1-14 Trencher Service Manual
ATTACHMENT IDENTIFICATION (CONT’D)
P-94733
P-94732
LT305 (S/N 247100101 - 247100106)
STANDARD 36” DIGGING DEPTH SHOWN
DIGGING CHAIN (OPTIONAL)
PARKING STAND (STANDARD)
RESTRAINT BARDIGGING
SHIELD
DIGGING BOOM
TRENCH CLEANER
(OPTIONAL)
AUGERCHAIN GUIDE AND SPACER
SERIAL NUMBER
PLATE
LT305 (S/N 247100107 & Above)
STANDARD 36” DIGGING DEPTH SHOWN
PARKING STAND (STANDARD)
CHAIN GUIDE AND SPACER
SERIAL NUMBER
PLATE
DIGGING BOOM
DIGGING SHIELD
RESTRAINT BAR
DIGGING CHAIN
AUGER
1-15 Trencher Service Manual
ATTACHMENT IDENTIFICATION (CONT’D)
P3347
P3346
LT405
BOOM
CASE DRAIN HOSE
HIGH FLOW AUXILIARY
QUICK COUPLER
SIDE SHIFT CYLINDER
STEP
LT405
TRENCHER CLEANER
DIGGING CHAIN
PARKING STAND
SIDE SHIFT HYDRAULIC
HOSES
AUGER
STEP
1-16 Trencher Service Manual
ATTACHMENT IDENTIFICATION (CONT’D)
P-27851
P-27850
MX102
DIGGING CHAIN
QUICK COUPLERS
HYDRAULIC MOTOR
MX102
X-CHANGE MOUNT AUGER
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