3-24. FUEL PUMP MAINTENANCE-Continued.
Remove hex fitting (1) from side of fuel pump (3).
Connect power cable to power source and operate unit per the instructions in Chapter 2, Section III.
Use a screwdriver to adjust fuel pressure by rotating screw (2) to proper pressure (see Table 1-1).
Shut down the heater unit and reinstall air filter and access door per instructions contained in paragraph 3-
Figure 3-27. Fuel Pump, Servicing.