SERVICE MANUAL DISASSEMBLY Section 2 34. Remove  four  capscrews  and  lockwashers  from camshaft bearing retainer on drive end of pump (Figure 30). Figure 30. 1.  Retainer Mounting Screws 2.  Oil Drain Hole 35. Remove rack screws, lockwashers and retaining plate (Figure 31).  Pull rack out of pump housing. Figure 31. 1. Control Rack 3. Screws 2. Guide Pin Injection pump housing is now ready for inspection. ANEROID The    aneroid    (Figure    32)     should     be     disassembled, cleaned    and    inspected    when    the    injection    pump    is disassembled or if the aneroid is suspected of malfunction.  The diaphragm assembly must be replaced if signs of leakage, cracking or hardening exist.  Replace o-ring on diaphragm stop. IMPORTANT TO REPLACE A LEAKING ANEROID DIAPHRAGM,  THE  INJECTION  PUMP  MUST BE REMOVED, THE NEW DIAPHRAGM INSTALLED     AND     THE     INJECTION     PUMP RECALIBRATED.        DO    NOT    ATTEMPT    TO REPLACE THE ANEROID WITHOUT RECALIBRA-TING    THE    INJECTION    PUMP. SEEMI-NGLY    SMALL     CHANGES     TO     THE INJECTION PUMP CONTROL RACK SETTINGS CAN DESTROY THE ENGINE. Figure 32.  Exploded View of Aneroid 1. Screw 15.   Seat 2. Washer 16.   Diaphragm 3. Screw (w/Seal Hole)   17.   Shaft 4. Pin 18.   Clip 5. Nut 19.   Spring 6. Stop Assy. 20.   Bushing 7. O-Ring 21.   Housing 8. Nut 22.   Gasket 9. Nut 23.   Plug 10. Bushing 24.   Clip 11. Cover Assy. 25.   Washer 12. Shaft Assy. 26.   Max.  Fuel Aner- 13. Nut oid Shackle 14. Washer CGES-375 Printed in United States of America Page 13