Service - 138
JT520 Operator’s
Manual
As Needed
CMW
Replace Saver Sub
Check saver sub and replace as needed. See your Ditch Witch dealer for replacement parts.
To replace
1.
Remove bolt and washer (1) from both ends of
shift lever pin (3).
2.
Remove shift lever pin.
3.
Remove bolt (2) that attaches back wrench
collar to carriage frame.
4.
Remove back wrench collar and six bolts (4)
that attach saver sub to carriage.
5.
Replace o-ring if necessary.
6.
Install new saver sub in reverse order and
tighten six bolts to 15 ft•lb (19 N•m)..
Replace Muffler
Replace muffler (shown) as needed.
IMPORTANT:
Saver sub must mate up to every drill pipe. Check sub for thread wear. If saver sub
threads are more worn than pipe threads, saver sub is damaging the drill pipe.
Содержание JT520
Страница 1: ...JT520 Issue 1 1 Operator s Manual CMW 053 1219...
Страница 59: ...Prepare 58 JT520 Operator s Manual Check Supplies and Prepare Equipment CMW...
Страница 60: ...JT520 Operator s Manual Drive 59 CMW Drive Chapter Contents Start Unit 60 Steer Unit 60 Shut Down Unit 61...
Страница 63: ...Drive 62 JT520 Operator s Manual Shut Down Unit CMW...
Страница 71: ...Transport 70 JT520 Operator s Manual Tow CMW...
Страница 113: ...Systems and Equipment 112 JT520 Operator s Manual Drill Pipe CMW...
Страница 117: ...Complete the Job 116 JT520 Operator s Manual Stow Tools CMW...
Страница 132: ...JT520 Operator s Manual Service 131 150 Hour CMW 150 Hour Change Fuel Filter Change filter shown every 150 hours...
Страница 141: ...Service 140 JT520 Operator s Manual As Needed CMW...
Страница 145: ...Specifications 144 JT520 Operator s Manual CMW...
Страница 148: ......
Страница 149: ......
Страница 150: ...JT520 Operator s Manual Service Record 149 CMW Service Record Service Performed Date Hours...
Страница 151: ...CMW Service Record 150 JT520 Operator s Manual Service Performed Date Hours...