4-30
SHB 803 en – Edition 2.4 * 803s410.fm
Engine
4.25 Measuring and adjusting the engine speed
Measuring the engine speed
The engine speed can be quickly and simply determined with a tachometer.
☞
Measurement on the crankshaft disk or on the ring gear.
Notice!
The maximum engine speed is set and sealed by the manufacturer without the
pump and may not be modified.
Adjusting engine speed
Only the idling speed can be adjusted
☞
Adjust engine speed without load.
☞
Run the diesel engine until it reaches operating temperature.
☞
Check idling speed and maximum engine speed with all attachment functions in neutral.
➥
Idling speed: 1300 +/
−
25 rpm
➥
Max. engine speed: 2675 +/
−
25 rpm
☞
In the event of deviation, correct the idling speed by means of the idling speed adjusting
screw
A
.
4.26 Compression
☞
Clean the engine.
☞
Run the diesel engine until it reaches operating temperature.
☞
Stop the engine.
☞
Remove the injection lines and the injection nozzles.
☞
Set the fuel supply to zero delivery.
➥
Remove the connector for the cutoff solenoid.
☞
Turn the engine before attaching the compression gage.
➥
The remaining fuel is ejected.
☞
Attach the compression gage to the respective cylinder with a sealing ring.
☞
Turn the diesel engine with the starter and read off the pressure on the pressure gage,
repeat until the reading is stable.
➥
Specified value:
34.3 +/
−
1 bar (498 psi +/
−
15) at 250 rpm
➥
Threshold value: 27.5 +/
−
1 bar (399 psi +/
−
15) at 250 rpm
☞
Install and connect the components again in the reverse order.
☞
Check the system for leaks.
Fig. 45: Manual tachometer
Fig. 46: Adjusting engine speed
A
Fig. 47: Compression
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 ...
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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 ...