Drive Housing Replacement - Graco E Series Instructions-Parts List Manual

the risk of a fluid injection injury, splashing in the
eyes or in the skin, injury from moving parts or elec-
tric shock. Be sure to unplug the sprayer!
Refer to Fig
NOTE: Stop the sprayer at the bottom of its stroke to get
the crank (E) in its lowest position. To lower it
manually, carefully rotate the blades of the fan
with a screwdriver.
Remove the front cover and screws (31, 32). Re-
move the six screws (1 19) and motor cover (14).
2.
Disconnect the pump outlet hose (47) from the dis-
placement pump outlet nipple (46).
3. Use a 5 mm hex key wrench to remove the four
screws (33) and lockwashers (49) from the bearing
housing.
Lightly tap the lower rear of the bearing housing (27)
4.
with a plastic mallet to loosen it from the drive hous-
ing Then pull the bearing housing and connecting
(2).
rod assembly straight
5. Use a 6 mm hex key wrench to remove the two
screws (51) and lockwashers
the drive housing, the two screws (30) and lo-
ckwashers (65) from the rear of the motor front end
bell (Ib) and the two screws (21) and lockwashers
from the upper rear of the motor front end bell
(65)
6. Lightly tap the drive housing (2) with a plastic mallet
to loosen it from the front end bell, then pull it straight
.
off.
Fig 32-1
32

DRIVE HOUSING REPLACEMENT

off
the drive housing.
(65)
from the recess of
CAUTION
DO NOT allow the gear cluster (9) to fall when re-
moving the drive housing (2). It is easily damaged if
dropped. The gear may stay engaged in either the
front end bell or the drive housing.
DO NOT lose the thrust balls (10) located at each
end of the gear cluster (9) or allow them to fall be-
tween gears. The balls, which are heavily covered
with grease, usually stay in the shaft recesses, but
could be dislodged. If caught between gears and
not removed, the balls will seriously damage the
drive housing. If the balls are not in place, the bear-
ings will wear prematurely.
7. Liberally apply bearing grease to the gear cluster (9).
Check to be sure the thrust balls (1 0) are in place.
8. Place the bronze-colored washer (5)
ver-colored washer (4) on the shaft protruding from
the big gear in the drive housing (2). Align the gears
and push the new drive housing straight onto the
front end bell and locating pins.
9. Starting at Step 5 and working backwards, continue
to reassemble the sprayer.
THEN the sil-
i