ROBERT BOSCH MODEL MW INJECTION PUMP
18. After replacing fuel injection pump or replacing fuel
Loosen all six high pressure fuel lines at nozzle
Loosen hand priming pump handle.
becomes solid (harder to pump).
Position injection pump shutoff lever in run
position with electric shutoff or mechanical cable.
Crank engine for fifteen seconds.
becomes solid. Tighten priming pump handle
Crank engine for fifteen seconds and observe
fuel/air leakage at each nozzle/ fuel pipe
connector. When fuel flows from each nozzle
connector, tighten connector.
Start engine and operate until engine runs
REPLACING INJECTION PUMP
MOUNTING ADAPTER GASKET
The same procedures required to replace injection pump
should be followed to replace mounting adapter gasket
If a severe oil leak exists between mounting adapter and
injection pump housing, injection pump must be removed
and repaired. Timing pointer and injection pump hub
relationship will be changed if mounting adapter to
injection pump housing nuts are loosened.
DO NOT LOOSEN INJECTION PUMP TO MOUNTING
TIMING POINTER AND HUB RELATIONSHIP WILL BE
Figure 26. - Mounting Adapter and Gasket Location
PRINTED IN UNITED STATES OF AMERICA