Technical Data; Troubleshooting; Machine Data - Atlas Copco LWP 2 Prescriptions De Sécurité Et Instructions Pour L'opérateur

Safety and operating instructions

Technical data

Troubleshooting

Problem
Pump will not operate.
Pump operates slowly or erratically.
Pump operates backwards
Pump operates, but discharge is low

Machine data

Dimensions
Weight
kg
Type (in.)
LWP 2 10.25
(22.6) (10.5 x 8.5)
LTP 3 12.7
(28) (14.2 x 11.8)
Maximum hydraulic
return line pressure
Type
LWP 2
LTP 3
14
Cause
Pump not connected properly.
Oil flow too low.
Incorrect hydraulic oil viscosity.
Impeller jammed with debris.
Cold hydraulic oil.
Power source not adjusted correctly.
Oil flow too low.
Air in the hydraulic system
Incorrect hydraulic oil viscosity
Hoses interchanged
Only model LWP 2: Strainer blocked.
Only model LTP 3: Inlet port blocked.
Discharge hose blocked.
Pump head
H x W maximum
mm m
(in.) (ft)
267 x 215 25
(82)
360 x 300 32
(105)
Maximum relief valve
bar
(psi)
15
(218)
15
(218)
© 2010 Atlas Copco Construction Tools AB | No. 3392 5045 90d | 2010-01-01
Solution
Check the performance and connection of
the power source.
Check the power source and ensure that the
flow is according to the technical
specifications.
Use oil with correct viscosity according to
"Hydraulic oil".
Remove debris from impeller.
Allow oil to reach operating temperature.
Consult manual for the power source.
Check the power source and ensure that the
flow is according to the technical
specifications.
Consult manual for the power source in order
to remove air from the system.
Use oil with correct viscosity according to
"Hydraulic oil".
Depressurise hydraulic system and switch
hose connections.
Clean inlet strainer.
Remove debris from the area around the
base legs and base plate.
Remove and clean hose.
Pump flow Operating
maximum pressure
l/min bar
(gal/min) (psi)
840 100
(222) (1450)
1920 140
(507) (2031)
setting Discharge
bar mm
(psi) (in.)
160 50
(2320) (2)
172 75
(2495) (3)
LWP 2, LTP 3
Flow rate
l/min EHTMA
(gal/min) Category
18-24 C
(4-6)
26-38 D
(7-10)
Solids handling up to
mm
(in.)
10
( 3 ⁄ )
8
60
(2 3 ⁄ )
8
Original instructions