jcb JS300 Service Manual page 660

Contents
Test 013: Testing Track Motor Drain Line Flow Rate ............................ E-266
Test 014: Testing the High Speed Tracking Setting .............................. E-267
Test 015: Testing the Low Speed Tracking Setting ............................... E-268
Test 016 - Flow Testing Hydraulic Pumps - Record Sheet ................... E-269
Test 017: Testing Swing Bearing .......................................................... E-270
Ram Creep Tests - All Services ............................................................ E-273
Hydraulic System Test Procedures
Introduction ........................................................................................... E-275
Related Topics ...................................................................................... E-276
Pressure Testing - General ................................................................... E-277
Pressure Relief Valve Location ............................................................. E-281
Main Relief Valve (MRV) Pressure ....................................................... E-283
Servo Relief Pressure ........................................................................... E-285
Auxiliary Relief Valves .......................................................................... E-286
Slew Motor Pressure Relief .................................................................. E-292
Travel Motor Relief Pressure ................................................................ E-294
Routine Maintenance Procedures
Scheduled Tasks .................................................................................. E-295
Service Points ....................................................................................... E-296
Hydraulic Oil ......................................................................................... E-299
Hydraulic Tank Breather ....................................................................... E-300
Return Filter .......................................................................................... E-301
Drain Filter ............................................................................................ E-302
Suction Strainer .................................................................................... E-303
Cushion Valve Filter .............................................................................. E-304
Major Component Mounting Bolts ........................................................ E-305
Servo Filter Element ............................................................................. E-306
Relief Valves ......................................................................................... E-307
Oil Cooler .............................................................................................. E-308
Swing Gearbox ..................................................................................... E-309
Swing Brake .......................................................................................... E-311
E-iii
Section E - Hydraulics
Page No.
E-iii