HYDRAULIC SYSTEM (CONT’D) CONTROL PATTERN SELECTOR VALVE . . . . . . . . . . . . . . Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Disassembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Parts Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removal And Installation . . . . . . . . . . . . . . . . . . . . . . . . .
20-100-1 20-100-3 20-100-2 20-100-1 20-100-1
DIRECT TO TANK VALVE. . . . . . . . . . . . . . . . . . . . . . . . . . . 20-150-1 Disassembly And Assembly. . . . . . . . . . . . . . . . . . . . . . . 20-150-2 Removal And Installation . . . . . . . . . . . . . . . . . . . . . . . . . 20-150-1 EXTENDIBLE ARM CYLINDER . . . . . . . . . . . . . . . . . . . . . . . 20-25-1 Parts Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-25-2 Removal And Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 20-25-1 HYDRAULIC CONTROL VALVE (S/N 232512782 & BELOW, 232711433 & BELOW AND 232612157 & BELOW) . . . . . . . . 20-40-1 Arm Valve Section Disassembly And Assembly . . . . . . . 20-40-18 Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-40-33 Auxiliary Valve Section Disassembly And Assembly . . . . 20-40-23 Blade Valve Section Disassembly And Assembly . . . . . . 20-40-28 Boom Offset Valve Section Disassembly And Assembly . 20-40-10 Boom Valve Section Disassembly And Assembly . . . . . . 20-40-13 Boost Valve Section Disassembly And Assembly . . . . . . 20-40-26 Bucket Valve Section Disassembly And Assembly . . . . . 20-40-21 Control Valve Identification . . . . . . . . . . . . . . . . . . . . . . . . 20-40-5 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-40-1 Disassembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-40-6 Left Travel Valve Section Disassembly And Assembly . . 20-40-16 Removal And Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 20-40-1 Right Travel Valve Section Disassembly And Assembly . . 20-40-7 Swing Valve Section Disassembly And Assembly . . . . . . 20-40-31 Continued On Next Page
20-02
331, 331E, 334 Excavator Service Manual