TM-9-2330-356-14

SEMITRAILER, TANK: 5000 GALLON, BULK HAUL, SELF LOAD/UNLOAD M967 AND M967A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, AUTOMOTIVE M969 AND M969A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, UNDER/OVERWING AIRCRAFT M970 AND M970A1

TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL

OCTOBER 1990

TM-9-2330-356-14 - Page 434 of 528

TM 9-2330-356-14

(4) Install impeller shaft

Figure 8-2. Pump Intermediate Housing Assembly.

and bearing assemblv

.

into intermediate housing (fig. 8-2). Use a soft hammer to

tap the shaft and bearings into position.

(5)

Install new seal (14, fig. 8-1) in bearing cap

(11). Lip of seal must be towards the inside of cap.

(6)

Put anew gasket (10) on flange of bearing cap

(11) and carefully slide the bearing cap over threaded end

of the impeller shaft. Use care not to damage the seal (14).

Fasten bearing cap to intermediate housing with four

capscrews (12) and lockwashers (13).

(7)

Install mechanical seal and seal plate

(fig. 8-3). Use care to keep the seal parts free from dirt and

other foreign material.

(a)

Apply coating of lightweight oil to the

O-ring of the stationary seal, then install the seal assembly

into the seal plate (4, fig. 8-3). Push the seal assembly

squarely and firmly into the bore of the seal plate.

(b)

Make sure the impeller shaft is clean

and smooth. Apply light oil to the surface of the shaft

where the seal will contact it.

(c)

Slide the seal plate onto end of impeller

shaft, using care not to damage the stationary seal.

(d)

Slide the rotating seal parts on the

impeller shaft as far as they will go.

(e)

Install the spring of the rotating seal,

making sure that it is seated properly.

(f)

Install spring seat (2, fig. 8-3) and

impeller, using shims (1, fig. 8-3) as required to obtain

proper running clearance on the impeller (step e).

8-4