Graco Modu-Flo AL-5M, Instructions Manual

Page: 6 / 14

Installation
6 332042D
Installation
Pressure Relief Procedure
Follow the Pressure Relief Procedure whenever
you see this symbol.
1. Disable the pump’s pneumatic or hydraulic supply.
2. Slowly loosen output connection fitting.
Bleeding Air
After assembly, disassembly and reassembly, it may be
necessary to bleed air from the pump. Follow the
procedure below:
1. After reinstalling the pump, cycle the pump a few
times. This should bleed out the air.
2. If cycling the pump does not bleed out the air,
loosen the bleed screw (29). Cycle the pump a few
times.
NOTE: Do not remove the ball (28) or bleed screw (29).
3. Re-tighten the bleed screw (29).
4. Operate the pump as usual.
Output Adjustment Procedure
Reference numbers used in the following procedure
refer to the Parts table, page 8.
1. Follow the Pressure Relief Procedure , page 6.
2. Remove adjustment screw cap (12) and gasket (8)
from adjustment screw (11), holding jam nut (9) with
a wrench if necessary (F
IG
. 2).
3. Place the adjustment screw cap (12) against the
jam nut (9) and use the stamped numbers on the
cap (cu. in. per stroke) to determine how much
adjustment is needed.
4. Loosen jam nut (9) and use a flat screwdriver to turn
adjustment screw (11). Turn adjustment screw in for
less output and turn out for more output (F
IG
. 3).
5. Tighten jam nut (9) and install gasket (8) and adjust -
ment screw cap (12) over the adjustment screw
(11).
This equipment stays pressurized until pressure is
manually relieved. To help prevent serious injury from
pressurized fluid, such as skin injection, splashing
fluid and moving parts, follow the Pressure Relief
Procedure when you stop dispensing and before
cleaning, checking, or servicing the equipment.
F
IG
. 2
F
IG
. 3 AL-5 model shown
9
11
12
8
11
9
12
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