John Deere Roosa Master 9.5mm Injection Nozzles and DM Series Pump Technical Manual

Table of Content

SECTION 10 – GENERAL
Group 05 – System Components
Group 10 – System Operation
Group 15 – Service Reporting
SECTION 20 – INJECTION NOZZLES
Group 05 – Diagnosing Malfunctions
Group 10 – Service
Group 15 – Specifications and Special Tools
SECTION 30 – OM-SERIES INJECTION PUMP
Group 05 – Diagnosing Malfunctions
Group 10 – Service
Group 15 – Bench Test Procedure
Group 20 – Specifications and Special Tools
SECTION 35 – D82 INJECTION PUMP
Group 05 – Specifications

General Information
This technical manual provides service information for the following components (Fig. 1 ):
1 . Roosa Master OM-Series fuel injection pumps (A) and D82 fuel injection pumps (8) used on various John Deere engines.
2. Roosa Master aneroid (C) for use on some DM injection pumps.
3. Roosa Master 9.5 mm fuel injection nozzles (D) used on various John Deere engines.
4. Roosa Master fuel filters (E) are discussed in the appropriate machine Operator’s Manual.
5. Roosa Master hand primer pump (F) used on var­ious John Deere machines.
Component Service
All service work on these Roosa Master components should be performed in a clean, isolated working area; preferably in a separate, well-lighted area.
Use extreme care to see that work benches, tools and test equipment are kept spotlessly clean to help insure an acceptable level of service on the precision-fit fuel injection components.