Section IV. REMOVAL AND INSTALLATION OF MAJOR COMPONENTS

fresh cleaning solvent. Agitate the bearings in the

make sure the compressed air is free from dirt and

solvent to remove all traces of old lubricant.

b. After the bearings are cleaned, dry them with

d. Protect disassembled parts from blowing sand

clean, filtered compressed air. Take care to prevent

and dust which could later cause rapid wear of the

spinning the bearings with the compressed air jet.

gears and bearings.

c. Dip the cleaned bearings in clean engine oil

5-7. Care of Bearings

and immediately wrap them in lint-free paper to

a. Clean bearings by placing them in a wire

prevent the entry of dust and dirt.

basket and immersing them into a container of

Section IV. REMOVAL AND INSTALLATION OF MAJOR COMPONENTS

5-8. Removal

c. Disassemble the diaphragm and plunger

assembly from the pump (para 4-18).

a. Disassemble the fuel system components from

d. Remove the cap screws (1, fig. 5-1), nuts (2),

and lock washers (3) that secure the coupling guard

b. Disassemble the suction and discharge

(4) to the frame: remove the coupling guard.

Figure 5-1. Major components of reciprocating pump.

5-2