10-002
INSPECTION AND ADJUSTMENT
2. MEASUREMENT AND ADJUSTMENT OF PROPULSION
CIRCUIT PRESSURE
2-1. Measurement
WARNING
Confirm that the parking brake works properly before
measurement.
Oil temperature during measurement: 50
± 5
°C (122
± 9
°F)
①
Remove plugs from couplings (1) and (2) of valve block
port G1 and G2. Attach pressure gauge with hose
ⓢ
and
the connector
ⓤ
.
Coupling
: 9/16-18UNF×M16
Adapter for hose
ⓢ
: M16 P=2.0
Pressure gauge connector
ⓤ
: M16×G3/8
Forward side port G1
: (1)
Reverse side port G2
: (2)
Pressure gauge
: 0 to 50 MPa
(0 to 7,250 psi)
②
Set propulsion speed change switch to “
”.
③
Set vibration frequency select switch to “2,500 vpm”.
④
Start the engine and set throttle switch to the “Full”.
⑤
Establish a condition in which machine propulsion load
becomes maximum.
(Pressure does not build up unless propulsion load is
applied.)
⑥
With propulsion load at maximum, slowly move F-R lever
to the side to be measured.
Then, read the pressure indicated by pressure gauge.
⑦
After measuring, promptly return F-R lever to “N”.
Maximum circuit pressure
(cut off valve setting)
: 37.3
± 1.0
MPa (5,409
± 145
psi)
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SW880-1-10001
1
2
SW880-1-10001
1
2
PG003163
s
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PG003163
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Содержание SW880-1
Страница 1: ...SW880 1 990 1 SHOP MANUAL 3498 6568A 0 ...
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Страница 25: ...SPECIFICATIONS ...
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Страница 39: ...ENGINE AND CONTROLS ...
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Страница 183: ...INSPECTION AND ADJUSTMENT ...
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Страница 209: ...TROUBLESHOOTING ...
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