Assembly - jcb JS200 Service Manual
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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 J
3 - 2
Dismantling (continued)
5.
Remove floating seal J from each hub C using a pry bar.
6.
Remove floating seal J from each side of idler wheel G
using a pry bar.
7.
If badly worn or damaged, remove the bushes K from
idler wheel G using a press or puller.
Protect parts from moisture and dust if left dismantled for
some time.
Assembly
1.
Clean all parts thoroughly in a suitable solvent. Dry shaft
and bore of idler wheel using compressed air in a place
free of dust and moisture.
Check components for wear as detailed under Wear
Limits. Polish out scratches and roughness using an oil
stone. Then apply a coat of engine oil to all parts.
Carefully drive the new bushes K into the idler wheel G,
using a suitable dolly L.
9803/6400
Track and Running Gear
Idler Wheel (continued)
C
J
J
G
J
J
K
L
Section J
3 - 2
J
C
J
G
K
K
G
Issue 1
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- 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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