Graco 310645H Repair And Parts Manual page 19

Use Belt Replacement Kits 118845.
First read and follow instructions in the Before
performing any service on sprayer section, page 9.
Then remove hopper, front and back covers, page 9.
Remove hose extension and RotoFlex HD Pump
assembly from frame, page 11.
Removing Belt
1 Loosen 4 bolts (2 each
side) to loosen tension on
belt.
2 Loosen 2 bolts (1 each
side) holding down sup-
port rod.
3 Using a screw driver for
leverage, lift up on motor
support rod on one side
of motor and ease it out
of the holding bracket far
enough to remove old
belt. Discard old belt.
At the same time, slide in
the new belt.
310645H
Removing and Replacing Belt
ti4388a
ti4391a
ti4459a
Replacing Belt
1 Using new belt from Kit,
position new belt around
pulleys making sure the
teeth in the belt are
properly engaged with
teeth on pulleys.
2 Replace support rod.
Tighten 2 bolts (1 each
side) to secure support-
ing rod.
ti4388b
3 Insert crow bar under
assembly as shown and
raise motor assembly
until desired belt ten-
sion is achieved.
4 While holding motor
assembly in place with
crow bar. Spin pulley to
assure proper belt
engagement. Adjust
motor assembly position
as necessary.
Removing and Replacing Belt
ti4392a
ti4393a
ti4469a
ti4472a
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