jcb JS200 Service Manual page 5
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Also See for JS200:
- Operator's manual (31 pages) ,
- Service manual (51 pages) ,
- Service manual (51 pages)
Table of Contents
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Section 1
4 - 1
Service Tools
SECTION C - ELECTRICS
9803/6400
General Information
Electrical Test Equipment
1
2
*
3
4
5
6
7
993/85700
892/00283
Tool Kit Case
892/00281
AVO Meter
892/00286
Surface Temperature Probe
892/00284
Microtach Digital Tachometer
892/00282
Shunt - open type
892/00285
Hydraulic Oil Temperature Probe
892/00298
Fluke 85 Multimeter
Battery Tester
Section 1
4 - 1
Issue 2*
- Quick Links:
- Section E - Hydraulics
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Chapters
Table of Contents
Troubleshooting
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Questions and answers
Trouble shoot no swing
To troubleshoot a no swing issue on a JCB JS200, follow these steps:
1. Check if engine starts and operates normally:
- If the engine does not start and “Electric system abnormality” is indicated, refer to Trouble No. 10.
- If the engine starts but rotation does not change with throttle, controlling engine rotation may not be possible.
2. Check hydraulic system components:
- Inspect for sufficient hydraulic oil amount; refill if low.
- Check the hydraulic oil strainer for contamination; clean or drain as needed.
- Ensure oil levels in reduction gears are adequate; refill if needed.
3. Check for mechanical or control blockages:
- Inspect the remote control valve for:
- Low secondary pressure due to low primary pressure—apply correct primary pressure.
- Damaged spring—replace the spring.
- Excessive clearance between spools and casing—replace the remote control valve.
4. Inspect motor operation:
- If motor does not run or rotates slowly:
- Check for pressurized oil; inspect pilot piping for damage.
- Remove foreign matter between plunger and body, orifice, or dumper piston and cap.
- Repair or replace damaged parts as needed.
5. Check electrical and wiring connections:
- Inspect battery terminals and alternator wiring for looseness or corrosion; tighten or replace as needed.
These checks cover both hydraulic and electrical causes that could lead to a no swing condition.
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