5 - Operation
5. 16
Pressure Regulation & Pressure Relief
If no valves on the manifold are open, the fluid will then cycle to the pressure relief and regulation manifold to
maintain system pressure as set at the pressure. The pressure relief valve will prevent over-pressurisation by
allowing excess fluid to bypass to the tank via the pressure relief valve (9) and the Pressure Relief Bypass line (22).
Pressure regulation is controlled by the pressure regulator (11) which allows electronic control of system pressure
and a bypass agitation line (21) from the rear of the regulator which diverts excess fluid back to the main tank
agitators.
P
ressur
e Regulation & P
ressur
e Relief
1
M
ain
T
ank
5
Agitators
6
Su
c
tion
Fi
l
ter
8
Main
Pump
9
Manua
l
Pressure
Re
l
ief
1
0
Manifo
l
d
11
Pressure
Regu
l
ator
1
2
F
l
ow
Meter
(Option)
1
3
Distribution
Va
l
ves
(EVC
or
CB/2)
1
4
Pressure
Fi
l
ters
1
5
Boom
Spray
Zone
Se
l
e
c
tor
Va
l
ves
2
1
Bypass
Agitation
Line
22
Pressure
Re
l
ief
Bypass
Line
M
ain
Tank Supply - Suc
tion
Fluid under pr
essur
e
R
inse
Tank Supply / Ex
te
rnal F
ill
Bypass
OFF
10
9
14
14
15
15
21
1
22
13
13
12
11
5
6
8
Summary of Contents for Mercury Covamax series
Page 1: ...MERCURY COVAMAX Operator Instruction Manual 67002404 100 HAU 08 2009 www hardi com au...
Page 10: ...Table of Contents TOC 8...
Page 18: ...2 Safety 2 6...
Page 88: ...6 Maintenance 1 18 Maintenance Activity Record Date Service Performed...
Page 92: ...7 Fault Finding 1 4...
Page 100: ...8 Technical Specifications 8 8...