Drive Housing - Graco C Series Instructions-Parts List Manual

DRIVE HOUSING
To
reduce the risk of WARNING serious bodily
-1
injury, including
,
DO
NOT
drop the gear CAUTION cluster
-1
(1 8) when removing
fluid injection or splashing in the eyes or on the skin, the drive housing (20). The gear cluster
I s
easily
or injury from moving parts. always foilow the Pres- damaged. m e gear may stay engaged in the drive
sure Relief Procedure Warning on page
14
before housing or pinion housing.
checking, adjusting, cleaning or shutting off the
sprayer. Disconnect the sparkplug1
DO
NOT
lose the thrust balls (20c or 19d) located at
each end of the clear cluster, or allow them to fall be-
l
NOTE Refer to Fig 19-1 for this procedure.
1. Remove the front cover and screws (23,68).
tween the gearcme ball, which is heavily covered
with grease, usually stays in the shafl recesses, but
could be dislodged.
if
the
bails are caught between
2. Disconnect the pump outlet hose from the displace-
from the pump.
the bearingswill wear Prematurely.
the spring clips (112,
114)
and the draln hose (I 13)
age the drive housing. If the balls are not
in
place,
merit
pump nipple,
ort the
UDrloht carts only remove
the gears and not removed, they
W i l l
seiouslydm-
3. Remove the four screws
(73)
and lockwashers
(74)
7.
Liberally apply bearing grease to the gear cluster (18).
from the bearina housina (20).
A tube of grease is supplied with each replacement
-
4.
Lightly tap the back of the bearing housing (21) with
a plastic mallet. Pull the pump, bearinq housinq and
- .
,
gear cluster. Use a full
6
02.
(1
60 grams) of grease. Be
sure the thrust bails (20c and
19d)
are in place.
connecting rod away from thidrive housing as one
assembly.
5. Remove the two screws (24) and lockwashers (1 1).
Remove the four screws (10) and lockwashers (1 1).
6.
Lightly tap around the drive housing
(20)
to loosen the
drive housing. Puli the drive housing straight off the
pinion housing.
Be
prepared to support the gear clus-
ter (la), which may also come out.
8.
Piace the bronze colored washer (ma) and then
the
from the big bearing of the drive housing (20). Aiignthe
silver-colored washer
(20b)
on the shafl protruding
the pinion housing and locating pins
(B).
gears and push the new drive housing straight onto
9. Starting at Step
4,
work backwards to reassemble the
manual
if
further service is needed.
sprayer. Or, move ahead to the next section in this
307-847 19