Caster Lever & Cable Operation; Operation; Maintenance; Caster Tire Replacement - Graco GM 5000 Instructions And Parts List

Caster Lever s a n d Cable Operation
CAUTION
The AccuTrack" caster is factory-adjusted to
track in a straight line. It should not require adjust-
ment unless it is replaced. If a line is tracking poor-
ly, checkforthe following items beforealigningthe
caster.
1. Even back tire pressure.
2. Even tension on the rear tire bearings (adjust
3. Even tightness of caster setscrews (F). See
4.
Uneven painting surface.
5.
Operator technique.
nuts (10) as needed). See page 42.
Fig.
16.
Operation
The normal operating mode of the AccuTrack" caster
is locked in the straight forward position.
1. For a free moving caster: Squeeze and hold the
caster lever
(22).
2. To lock the caster in the free moving position,
squeeze thetrigger, push in and hold the the button
(A) and release the trigger. See Fig.
15.
3. To return to the normal mode, squeeze and release
the caster lever and move the Line Lazer forward to
lock the caster in the straight position.
Maintenance
See Fig.
16
keep it operating properly, use a grease gun at the
Paint builds up on the caster triggering mechanism. To
to four times a month, depending on use.
grease zerks (32A, 328) to flush out the buildup
- two
1.
2 .
3.
4.
5.
6.
Caster Tire Replacement
See Fig. 16.
Remove the setscrews (F) from the caster fork (E). Re-
move screw (G) and the tire
(1
14a). Install the new tire
and the setscrews (F). Tighten the setscrews equally
so
the tire has no play in it, but turns freely.
Caster Cable Tension Adjustment
See Fig.
16.
I.
Loosen the nut (A) located just outside the carriage
clamp (5).
2. With the pin (D) fullv enoaaed
pull back on the cable
(2)
to Increase the cable ten-
in the caster fork (E),
sion, or push Itforward to reduce the tension. Finger
tighten the nut (H). Tighten the nut (A) firmly.
A
tor visual purposes
Shown
removed only
A
A
Tighten equally so tire
has no play in it but
turns freely
Fig. 16
Caster Alignment
Do this adjustment only if the caster or tire is replaced,
or if no other solutions
to
poor tracking are found.
1. Loosen the
two
capscrews
(87),
grasp the tire visu-
ally align the tire. Tighten the capscrews evenly.
Move the unit forward. If the caster appears straight,
start the unit (use water) and spray along
a
true
straight line. Continue adjusting as necessary. See
Fig.
16.
How To Mount the Gun
Relieve pressure. See page
4.
Disengage the trigger cable. See page
22.
Engage
the gun's trigger safety latch (E).
.
Loosen the gun holder knob (93).
remote trigger lever (A).
Position the gun
so
the gun trigger is resting on the
tighten the knob (93) firmly.
Be sure that the gun is mounted straight and then
trigger cable. See page
22.
Disengage the gun safety latch. Engage the remote
308-105
21