Branson 2400 - Page 143

HYDRAULIC SYSTEM
KUKJE MACHINERY CO., LTD.
141
4. CHECKING, DISASSEMBLING AND SERVICING
*. PART NAME
1) Hydraulic test hose 2) Adaptor
< Pump test >
▶ NOTE
1) Before pump testing, perform the flowmeter
connecting and test preparation.
1. Open the loading valve completely.
2. Start the engine and set at approx. 2600rpm.
3. Read and note the pump delivery at no pressure.
4. Slowly close the loading valve to increase
pressure approx. 12.7㎫ (130kgf/㎠, 1,849psi).
5. Read and note the pump flow at rated pressure.
6. Open the loading valve and stop the engine.
Hydraulic pump
delivery at no
pressure
Factory spec.
Above 11.9 L/min.
3.2 U.S.gal/min.
2.6 lmp.gal/min.
Hydraulic pump
delivery at rated
pressure
Factory spec.
Above 10.9 L/min.
2.9 U.S.gal/min.
2.4 lmp.gal/min.
▷ Condition
9 Engine speed : Approx. 2600rpm
9 Rated pressure : 12.3㎫, 125kgf/㎠, 1,778psi
9 Oil temperature : 50℃, 122℉