Gallagher PULSE Series - Hydraulic Stack Test - STACK

SERVICING
80
PULSE Installaon, Commissioning and Servicing Manual - Revision 19
2
4 5 6
8
$
L
$
L
1
Motor
1
7
Motor
2
3
Front
Valve
9
Rear
Valve
12.14 Hydraulic Stack Test - STACK
A stack test should be performed for each dispenser to ensure that the fuel supply is
flowing freely. This will also flush the delivery pipes and hoses as well as prime the
system. A test can is required.
Stack test is accessed by entering the Service Mode.
Procedure
Enter Service Mode (see Servicing - Section 12.1 Entering Service
Mode).
Use the
2
&
8
keys to scroll through the list until STACK is
displayed in the Dollars display. 1000 is shown in the Litres display.
Press
6
to select a different stack (if present) eg: 1100.
Press
F
to select the stack for testing.
The Dollars display now shows GRADE 1 and the Litres display shows
a row of four digits, indicating the state of the motors and valves
(0 = Off 1 = On / Open).
Motor and valves can be toggled between On/Off or Open/Shut using
the following keys:
1
Motor 1
7
Motor 2
3
Front Valve
9
Rear Valve
Dispense fuel taking note of the actual flow rate once it has
stabilised (after 3-5 seconds of flow).
While delivering fuel the smaller grade display will show:
A The percentage that the front valve is open.
B The percentage that the rear valve is open.
C The flow rate of the front valve in L/min.
D The flow rate of the rear valve in L/min.
C
BA
D
+ 5%
- 5%
- 1%+ 1%
Adjusting Flow Rates
When a proportional valve is opened and the motor is turned
on (i.e. when the output digit shows a 1), the flow rate can be
adjusted as follows:
5% increments using the keys
2
(+) and
8
(-)
1% increments using the keys
4
(+) and
6
(-)
Press
5
to store the current setting for fast flow.
Press the
f
key to scroll through and set the available grades (up to 5) in the dispenser.
LPG has a two-stage valve. It is operated at the following valve percentages:
35 - Slow valve open only
40 - Fast valve open only
Version 1.11