Textron JACOBSEN TH300 Owner/Operator's Manual & Illustrated Parts List
Textron JACOBSEN TH300 Owner/Operator's Manual & Illustrated Parts List

Textron JACOBSEN TH300 Owner/Operator's Manual & Illustrated Parts List

Trencher

Advertisement

Quick Links

OWNER/OPERATOR'S MANUAL
& ILLUSTRATED PARTS LIST
MODEL:
73-70920 TRENCHER TH300
WARNING: If incorrectly used this machine can cause severe injury. Those who use
and maintain this machine should be trained in its proper use, warned of its dangers
and should read the entire manual before attempting to set up, operate, adjust or
service the machine.
09-346 REV B

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the JACOBSEN TH300 and is the answer not in the manual?

Questions and answers

Summary of Contents for Textron JACOBSEN TH300

  • Page 1 OWNER/OPERATOR’S MANUAL & ILLUSTRATED PARTS LIST MODEL: 73-70920 TRENCHER TH300 WARNING: If incorrectly used this machine can cause severe injury. Those who use and maintain this machine should be trained in its proper use, warned of its dangers and should read the entire manual before attempting to set up, operate, adjust or service the machine.
  • Page 2 © 2003, TEXTRON INC...
  • Page 3: Table Of Contents

    Jacobsen designs and builds its equipment to serve many years in a safe and productive manner. For longest life, use this product only as directed in the manual, keep it in good repair and follow safety warnings and instructions. You'll always be glad you did. Jacobsen, a Textron Company One Bob Cat Lane Johnson Creek, WI 53038-0469...
  • Page 4: Description / Specifications

    DESCRIPTION / SPECIFICATIONS TRENCHER DESCRIPTION The trencher is designed to perform with the Steiner 4-wheel drive articulated frame steering tractors. The trencher mounts on the quick hitch front lift in the conventional manner. Driven by a PTO belt, a right angle gearbox provides a 2 to 1 reduction providing power to the trencher digging chain.
  • Page 5: Safety

    Your safety and the safety of others is involved. Jacobsen, a Textron Company strongly warns Signal word definitions against, rejects and disclaims any modifications, The signal words below are used to identify levels...
  • Page 6 SAFETY TRENCHER GENERAL SAFETY 1. Read and understand the Owner’s Manual before attempting to operate this machine. 2. Operate all controls from the operator’s seat. NO RIDERS. 3. Keep all shields in place and safety switches adjusted properly. 4. Do not leave equipment unattended. STOP the engine and remove the key. 5.
  • Page 7: Installation

    INSTALLATION TRENCHER MOUNTING INSTRUCTIONS UNMOUNTING INSTRUCTIONS The trencher should be used only on Steiner 1. Choose a level site to remove the trencher. 4-wheel drive power units equipped with 2. Lower the support stand and secure with clip hydraulic auxiliary couplers. pin.
  • Page 8: Operation

    OPERATION TRENCHER OPERATING INSTRUCTIONS IMPORTANT! 1. Attach trencher to quick hitch front lift, placing correct drive belt around the left hitch arm. THE TRENCHER IS DESIGNED TO DIG WHILE THE UNIT IS TRAVELING IN REVERSE 2. Stop engine and install the drive belt. Adjust tension if equipped with adjustment.
  • Page 9: Service

    SERVICE TRENCHER SERVICE SCHEDULE ADJUSTMENTS Every 4 Hours: Drive belt tension: • Grease the boom pivot tube. • See the power unit operators manual for adjustment of drive belt tension. Daily: Roller chain drive: • Check for any signs of loose bolts and tighten as needed.
  • Page 10: Main Frame & Shields

    MAIN FRAME & SHIELDS TRENCHER FIGURE 1...
  • Page 11 MAIN FRAME & SHIELDS TRENCHER FIGURE 1 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 62-823.7 MAIN FRAME 4116761 LBL-MADE IN USA 60-625.7 SHIELD-AUGER 00-223 LBL-DANGER STAND CLEAR1 44-140 DEFLECTOR BELTING, DIRT 1 64139-08 BOLT-5/16-18X3/4 64141-6 NUT, 5/16-18 44-141 BELTING, AUGER 64-855 STRAP, BELTING 64123-75...
  • Page 12: Drive Parts

    DRIVE PARTS TRENCHER FIGURE 2...
  • Page 13 DRIVE PARTS TRENCHER FIGURE 2 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 62-823.7 FRAME, MAIN W/A 80-192.7 AUGER, TRENCHER W/A CLAMP-AUGER (SUPPLIED W/64-836) 64123-171 BOLT-HEX 3/8-16X3-1/2 64229-03 LOCKNUT-NYLON 3/8-16 64164-26 KEY-3/8x3/8x1-1/2 SQ 64-854 SPACER-AUGER (USED WITH STANDARD DIGGING CHAIN) 64-924 SPACER-AUGER (USED WITH 5-1/2"...
  • Page 14: Boom & Chain Assembly

    BOOM & CHAIN ASSEMBLY TRENCHER FIGURE 3...
  • Page 15 BOOM & CHAIN ASSEMBLY TRENCHER FIGURE 3 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 62-821.7 BOOM 3-13 79-090 REPAIR SECTION (INCLUDES ITEMS 4 - 11) (CENTER CUT) 90-0826 BOLT,1/2-13 X 3-1/4 3-14 79-091 REPAIR SECTION 3" 64141-13 NUT WLF 1/2-13 (LH STRAIGHT) 92-12 NUT,3/4-10...
  • Page 16: Hydraulics

    HYDRAULICS TRENCHER FIGURE 4...
  • Page 17 HYDRAULICS TRENCHER FIGURE 4 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 23-070 CYLINDER, HYD. 2 X 8 21-13055X SEAL KIT 64-852 TOP PIN 02-CP0512 COTTER PIN, 5/32 X 1-1/2 25-2103-6-6 FITTING-90 DEG. 20-017 HOSE-1/4 X 70 25-0103-4-6 FITTING-STR 23-004 MALE QUICK COUPLER 64-853 BOTTOM PIN...
  • Page 18: Gear Box

    GEAR BOX TRENCHER FIGURE 5...
  • Page 19 GEAR BOX TRENCHER FIGURE 5 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 87-CM000182 HOUSING 87-CM450064 COLLAR 87-CM150144 BEARING CUP 87-CM150136 BEARING CONE 87-CM370023 SHIM (.010) VARIES 87-CM370015 SHIM (.005) VARIES 87-CM620062 RETAINING RING 87-CM410233 LOCKWASHER 87-CM410255 LOCKNUT 5-10 87-CM600031 KEY 5-11 87-CM050237 HUB 5-12...
  • Page 20: Crumber

    CRUMBER TRENCHER FIGURE 6...
  • Page 21 CRUMBER TRENCHER FIGURE 6 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 64-858.7 PLATE-CRUMBER SIDE 64229-05 LOCKNUT, 1/2-13 NYLON 90-0826 BOLT,1/2-13 X 3-1/4 62-825.7 LINK-TOP WLDMT 62-826.7 LINK-BOTTOM WLDMT 64123-72 BLT-HEX 1/2-13X2-1/2 62-824.7 WLDMT-CRUMBER (USED WITH STANDARD DIGGING CHAIN) 62-861.7 WLDMT-CRUMBER (USED WITH 3-1/2"...
  • Page 22 Equipment from Jacobsen, a Textron company, is built to exacting standards ensured by ISO 9001 and ISO 14001 registration at all our manufacturing locations. A worldwide dealer network and factory-trained technicians backed by Textron Parts Xpress provide reliable, high-quality product support.

This manual is also suitable for:

73-70920

Table of Contents