![Wacker Neuson 803 Dualpower Скачать руководство пользователя страница 71](http://html1.mh-extra.com/html/wacker-neuson/803-dualpower/803-dualpower_service-manual_866449071.webp)
SHB 803 en – Edition 2.4 * 803s312.fm
3-33
Maintenance
Adjusting primary pressure limiting valve 1 (PPLV 1)
☞
Adjust the pressure at the primary pressure limiting valve (PPLV 1)
A
on the main valve
block
☞
Loosen the locknut of the pressure limiting valve
☞
Unscrew the pressure limiting valve until you can read off a pressure drop on the
pressure gage
➥
The valve seat may be stuck and must be loosened first
☞
Adjust the pressure limiting valve and tighten the locknut
☞
Check the primary pressure limiting valve 1 and the pressure drop once adjustment is
over
Also check by extending/retracting the stick cylinder!
Pressure check of gear pump P1
Hydraulic supply for swivel, bucket and boom functions
Checking primary pressure limiting valve 2 (PPLV 2)
☞
Install a pressure gage with a T-fitting (EVL 8L no.1000015515) and a measurement
connection (8L no.1000015578) temporarily on the boom cylinder.
☞
At maximum engine speed, actuate the boom cylinder as far as it will go to
either side
Checking pressure drop
☞
At maximum engine speed, actuate the boom cylinder as far as it will go to either side
☞
Swiftly reduce engine speed from maximum to minimum -> pressure drop
☞
Check and make a note of the pressure value.
➥
Pressure drop should not exceed the specified value by more than 10 %
Adjusting primary pressure limiting valve 2 (PPLV 2)
☞
Adjust the pressure at the primary pressure limiting valve (PPLV 2)
B
on the main valve
block
☞
Loosen the locknut of the pressure limiting valve
☞
Unscrew the pressure limiting valve until you can read off a pressure drop on the
pressure gage
➥
The valve seat may be stuck and must be loosened first
☞
Adjust the pressure limiting valve and tighten the locknut
☞
Check the primary pressure limiting valve 2 and the pressure drop once adjustment is
over
Also check by extending/retracting the boom cylinder!
Fig. 31: Primary pressure limiting valve 1
A
Fig. 32: Primary pressure limiting valve 2
B
Содержание 803 Dualpower
Страница 1: ...Service Manual Track excavator Machine model 803 Edition 2 4 Order no 1000164843 Language en ...
Страница 8: ...I 6 SHB 803 en Edition 2 4 803s20IVZ fm Table of contents ...
Страница 9: ...Operation ...
Страница 23: ...Technical data ...
Страница 38: ...2 16 SHB 803 en Edition 2 4 803s210 fm Technical data ...
Страница 39: ...Maintenance ...
Страница 44: ...3 6 SHB 803 en Edition 2 4 803s310 fm Maintenance Maintenance label up to serial number AF02412 ...
Страница 45: ...SHB 803 en Edition 2 4 803s310 fm 3 7 Maintenance Maintenance label from serial number AF02413 ...
Страница 96: ...3 58 SHB 803 en Edition 2 4 803s314 fm Maintenance ...
Страница 97: ...Engine ...
Страница 133: ...Hydraulic system ...
Страница 155: ...SHB 803 en Edition 2 4 803s511 fm 5 23 Hydraulic system Hydraulic system Hydraulics diagram ...
Страница 157: ...SHB 803 en Edition 2 4 803s511 fm 5 25 Hydraulic system 5 11 Hydraulics diagram ...
Страница 160: ...5 28 SHB 803 en Edition 2 4 803s511 fm Hydraulic system ...
Страница 161: ...Electrical system ...
Страница 168: ...6 8 SHB 803 en Edition 2 4 803s611 fm Wiring harnesses ...
Страница 181: ...SHB 803 en Edition 2 4 803s612 fm 6 21 Electrical system Wiring diagrams Electrical system ...
Страница 185: ...Options ...
Страница 194: ...7 10 SHB 803 en Edition 2 4 803s710 fm Options ...