Graco BULLDOG E Series - Service; Stroke Adjuster Repair

11307-050
Service
Stroke Adjuster Repair (Fig 5)
CAUTION
If you do not remove the trip rod (33), record the
indicator reading BEFORE removing the adjuster
assembly (3) so that you can set it at the same
number when reinstalling it. This will keep the adjust -
er setting in agreement with the stroke setting and
prevent possible damage to the air motor .
WARNING
T o reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 7.
1. Relieve the Pressure
2. Loosen the housing collar setscrew (9). Holding the
adjuster assembly (3), screw the collar (24) out of the
detent housing (82). Now lift the adjuster assembly
up.
3.
Remove the cover (15). Remove the setscrew (6) on
the side which holds the gear adjusting shaft (21).
4. Pull out the shaft (21) and adjusting knob (20), and
then remove the gear (14).
5. Remove the end plate (18). Remove the setscrew (6)
from the gear (14). Pull out the shaft (22) and indica -
tor
(12), and then remove the gear (14).
CAUTION
Be careful not to drop or damage the indicator (12),
which can be easily damaged.
6. If you need to replace the indicator (12), loosen the
two
setscrews (1 1) in the shaft (22) and pull the indi -
cator
of f of the shaft. When installing a new indicator ,
tighten
the setscrews (1 1) firmly into the shaft.
7. Remove the remaining gear (26) from the retainer
(23).
8.
Clean the gears and shafts thoroughly. Inspect all
parts
and replace any that are worn or damaged.
9. When reassembling the adjuster, align the holes in
the shafts with the setscrews, and tighten the
setscrews
snugly .
10. If
necessary , add more grease to the stroke adjuster
housing (16) until it just covers the center gear (26).
Do not lubricate the indicator (12).
01818
Fig 5
10131920
21
24
78
18 25 12
2211
5
4
15
6
14
26
23
27
17
REF NO. 3
STROKE ADJUSTER ASSEMBL Y
INCLUDES ITEMS 4–27
9
16