Installation; Pressure Relief Procedure - Graco Dyna-Star 77X202 Instructions Manual

Pump system
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Installation

Pressure Relief Procedure

Follow the Pressure Relief Procedure whenever
you see this symbol.
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 Pro-
cedure when you stop dispensing and before clean-
ing, checking, or servicing the equipment.
To relieve pressure in the system, use two wrenches
working in opposite directions on pump outlet fitting to
slowly loosen fitting only until fitting is loose and no
more lubricant or air is leaking from fitting as shown in
F
. 3.
IG
F
. 3
IG
Grounding
The equipment must be grounded to reduce the risk
of static sparking. Static sparking can cause fumes to
ignite or explode. Grounding provides an escape wire
for the electrical current.
3A3956C
System Configuration and Wiring
NOTE: Cable wiring harness kits are available from
Graco. See Parts page 20 for a complete list of available
kits.
Fuses
NOTICE
Fuses (user supplied) are required on all models. To
avoid equipment damage:
Never operate the Dyna-Star Pump models without
a fuse installed.
A fuse of the correct voltage and amperage must
be installed in line with the power entry to the sys-
tem. Graco recommends using 35A fuses.
NOTE: The pump is equipped with a 6-pin (4 pins are
used), M23 connector for use with Graco cable wiring
harness kit 77X546. See Parts page 20.
F
. 4 shows the pump connections when used with
IG
Graco Wire Harness 77X546. Also see pages 9 and 10
for connection details when a customer/user supplied
wiring harness is used.
Installation
7

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Dyna-star 77x203

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