Pump service & repair, Figure 32 figure 33 – Alamo HYDRO 15 User Manual

Page 35

Section 2 - 19

HYDRO 15 (Service Manual) 09/06

Alamo Industrial

Figure 34

Figure 35

Figure 36

PUMP SERVICE & REPAIR

Figure 32

Figure 33

(continued from previous page)

force check for size error or other

reason. Forcing an over size bearing in will damage bearing and
casting

(figure 34).

11.

Using the snap ring pliers as shown. Install the snap ring into the

flange side of the shaft end cover

(figure 35).

Lightly tap the snap ring

with a small punch and hammer to make certain it is seated into the
snap ring groove of the shaft end cover.

Remove the shaft end cover

(figure 10 item 4)

from the vice and

turn it over 180° and re-insert it into the vise with the splined side down
and re-insert it into the vise.

Grease the new Gasket Seals

(figure 10 item 10)

and insert

it in both sides of all gear housings. Position the first gear
housing

(figure 10 item 12)

onto the shaft end housing

(figure

10 item 4)

aligning it with the holes for the dowel pins. Tap it

with a soft hammer until it rest tightly against the shaft end
cover.

Be careful not to pinch the seal gasket

, also be sure that

the large rounded core is on the inlet side

(figure 36).

13.

Assemble the channel seals

(figure 10 item 7)

into the

grooves in the thrust plates

(figure 10 item 8)

with the flat side

of the seal facing away from the thrust plates as shown

(figure

37 &

38).

IMPORTANT NOTE:

Channel seals will always be on

side of thrust plate away from gears, only the smooth side of
thrust plates are against gears.

14.

Gently slip the thrust plate

(figure 10 item 7 & 8)

through the gear

housing and into place on the shaft end cover

(figure 39).

The channel

seal from

step 13

should face the shaft end cover. The relief groove

in the thrust plate should face the outlet side of the pump

(see figure

23A).

15.

Coat the driven gear journal with light coat of oil, Slide the driven

gear

(figure 10 item 9)

through the housing and into the bushing in

thew shaft end cover

(figure 40)

Coat the drive gear

(figure 10 item

splined shaft end with light coat of grease, insert shaft into the

special steel sleeve

(figure 7 recommended tools list)

. Lightly coat

the steel sleeve with grease. Place the lightly greased drive gear
shaft inside the sleeve and slide both through shaft end cover with a
twisting motion until the integral gear rest against thrust plate. Avoid
damaging double lip

seal. Remove steel
sleeve, squirt clean oil
over gears

(figure 40)

Note

purpose of sleeve

is to prevent splines
on the shaft from dam-
aging double lip seal.