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4277 50 GPM Hydraulic Flow Meter User Manual...
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Introduction The OTC 4277 50 gpm Hydraulic Flow Meter provides the ideal solution for servicing and commissioning hydraulic circuits on agricultural and other mobile machinery. and a pressure gauge all built into a strong steel case with a removable lid. The unit is self- contained and requires no electrical power.
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Model No. Flow Range Max. Working Pressure Temperature Range 2.0 - 54 US gpm 6000 psi 65 - 230 °F 4277 (10 - 200 lpm) (420 bar) (20 - 110 °C) Connections Adaptors & outlet connections. Inlet Connection: 1-5/16” -12UN #16 SAE ORB Outlet Connection: 1-1/16”...
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115 - 140°F (45 - 60°C). increased to maximum pump pressure to determine pump condition. Typical Tests Pump Test Cylinder Tank Directional Valve Relief OTC 4277 Valve °F °C Test Hose Pump Overall System Test Cylinder...
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Maintenance and service Replacement of burst discs (No. 573736) 2 Burst Discs Normal Flow (Max. 6000 psi / 420 bar) Direction Normal Flow Direction Reverse Flow Direction Reverse Flow Direction Spacer Pressure Control Valve Burst Disc Cartridge 1. Remove burst disc cartridge with a 1-3/8” AF spanner. 2.
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