Reassembly and Installation-continued

5-4320-273-14

space is leas than required, remove the impeller and

bracket (23) and install the intermediate bracket on

add shims to desired width when impeller is rein-

the engine, taking care not to dislodge the stationary

stalled.

seal members. Secure the bracket to the engine with

(6) Install a new gasket (33) on the intermediate

screws (27 and 28) and lockwasher (13).

bracket. Using a hoist, slide pump casing (15) into

CAUTION

position on the intermediate bracket. Install lifting

The mating faces of the pump seal are

bail (6). Secure the casing with nuts (21) and lock-

highly machined and are easily

washers (22).

damaged by rough handling a n d

(7) Without resetting the oil pressure safety

careless installation. Take care when

switch to prevent the engine from starting, crank the

you install seal parts or pump failure

engine to ensure that the pump turns freely without

may result.

scraping or binding.

(3) Coat the face of the rotating seal member and

(8) Install cleanout cover (19) and gasket (20)

using nut (2) and washer (8).

the shaft sleeve with light engine oil. Install the

(9) Install O.P.W. fitting, adapter (18), gasket

rotating parts of the seal on the shaft sleeve. Coat

the end of the engine crankshaft sparingly with light

(17), and dust cap (16).

(10) Install discharge elbow (8) and gasket (11)

engine oil and install the shaft sleeve (25), with

using nuts (9) and lockwashers (10).

rotating seal parts, onto the crankshaft. Push until

(11) Secure lifting bail (6) and support (7) to

sleeve is firm against shoulder on crankshaft.

(4) Install the impeller (24) on the engine crank-

discharge elbow using nuts (2) and washers (3 and 4).

shaft without shims, Note that the impeller has a

(12) Reassemble the components and piping

removed to enable pump disassembly, Replace pump

right hand thread.

(5) With the impeller firmly seated on the shaft,

suction piping assembly, discharge piping assembly,

measure the space between the back of the impeller

and the instrument control panel. Replace air

and the face of the intermediate (fig. 7-2). If the

eliminator.

7-4