JCB HM Medium, Large Hydraulic Breaker Service Manual
170 pages · Publication 9803-1420-4
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- Models
- HM Medium, Large
- Serial coverage
- Serials 1095001 onwards
- Manual type
- Service Manual
- Pages
- 170
- Publication
- 9803-1420-4
- Condition
- Brand new
What's inside
From the manual's own table of contents: 31 topics. See sample pages (PDF, 291 KB)
- Introduction
- Safety
- General Information
- Workshop Standards
- Spare Parts
- Service Personnel
- Using this Manual
- Standard Symbols
- Service Tools
- Charging Equipment
- Dismantling
- Assembly
- Field Bushing Exchange
- Charging the Accumulator
- Hanger Brackets
- Exploded Views
- Operating Principles
- Stage 1 - Start Up
- Stage 2 - Return Stroke
- Stage 3 - Power Stroke
- Stage 4 - End of Power Stroke
- Special Tools
- Stage 1
- Stage 2
Show all 31 topics
- Stage 3
- Stage 4
- Stage 5
- Technical Specifications
- Nitrogen Adaptor Reference Chart
- Tool Part Numbers
- Breaker Part Number Matrix
Inside this manual
Real pages from this service manual (170 pages). Open the sample pages (PDF, 291 KB)
- Repair procedure, page 13: Medium Breakers
- Specifications, page 87: Large Breakers - Technical Specifications
- Diagram, page 157: Large Breakers - Appendix 2
- Color page, page 38: Medium Breakers - HM165Q, 265Q, 385Q, 495Q
- Color page, page 155: Large Breakers - Appendix 2
This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 170 pages
Quantity one is the manual described above.
Fast free USA shipping
Ships in 1 business day.
60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).