Caterpillar RENR4398-03 — инструкция

RENR4398-03 May 2006 1 2 3 4 5 6 7 1 2 4 5 6 7 8 9 10 11 12 3 AUX LIFT TO TRANSMISSION CONTROL TO BRAKE LIGHTS TILT AA A 13 14 15 A BB CC 16 DD LOWER RAISE 966G & 972G Series II Wheel Loader Hydraulic System 21 22 23 24 B A B AWY1-UP AXC1-UP AXE1-UP AXJ1-UP AXN1-UP AXL1-UP ANT1-UP ANY1-UP AXP1-UP ANZ1-UP AWP1-UP AWZ1-UP NOT USED ON THE THE RELIEF VALVE IS TO TRANSMISSION CONTROL FOLLOWING MACHINES:

966G SERIES II AXJ636-UP ANT1-UP ANZ1-UP AWY431-UP 25 26 972G SERIES II AXC526-UP AXN253-UP ANY1-UP AWP1-UP FF 27 TO BRAKE DRAIN C 28 29 30 GG C LINEAR PATTERNS Pressure Pilot Pressure Return Lines Components IMPLEMENT RETURN Denotes Wire Code © 2006 Caterpillar All Rights Reserved Printed in U.S.A.

IMPLEMENT PILOT/PILT STEERING RETURN HH STEERING RETURN D STEERING LOAD SENSE SIGNAL D 9, 10, 49, 50, 51, KK 27 22 - 24, STEERING 36, 37 41, LL 32, 37 FF 8, 33, 37, 1, 3 31 32 33 34 A CC, DD, MM 13 - 20, 28, GG LL A HH 48 B 35 36 37 C P B T X KK IMPLEMENT JJ E 38 E 31 PILOT/BRAKE B RENR4398-03 20 Page 39 S L1 38 40 41 42 43 29, 30 39, 44, 45 43, 53, 11, 12 4 21 6, 7 JJ 34, 35 2 5 44 45 46 47 MM # Ride Control is an optional attachment. 48 49 50 51 32, 47 22 - 24, 27 29, 30 8, 9, 40, 42 - 48 1, @ Auxiliary Cylinders are an optional attachment. * Secondary Steering is an optional attachment.

F SECONDARY STEERING SUCTION F CC, DD, 10, 48, 13 - 20, 28 % The one stem valve (third function) is an The two stem valve is standard. optional attachment field conversion. 52 52 38, LL 39, 44, 45 3 6, 7 AA, BB FF, MM The three stem valve is an optional attachment. 53 31 187-6676-00 966G II & 972G II PILOT IMPLEMENT/STEERING METERING PUMP HYDRAULIC SCHEMATIC G G F06057 7 1 21 49, 50, 51, KK 11, 12 4 GG 36, 37 43, 53, 35 33, 34 HH 5 2 JJ 18 LOWER/CLOSE 19 20 BACK DUMP TILT 19 20 BACK DUMP TILT Chart A 966G II and 972G II Hydraulic Component Locations Item No.

Component Schematic Location 1 Main Control Valve % A1 2 3 Auxiliary Cylinders @ Tilt Cylinder A2 A3 4 5 6 Lift Cylinders Front Service Brakes Left Pedal Assembly A4 A5 7 8 9 10 11 12 13 14 Right Pedal Assembly Service Brake Control Valve Front Service Brakes Accumulator Rear Service Brakes Accumulator Parking Brake Parking Brake Actuator Orifice Ride Control Diverter Valve # A6 A7 A3 A4 15 16 17 18 19 20 Ride Control Accumulator # Main Relief Valve Line Relief Valve (Aux. Cylinder Head End) @ Line Relief Valve (Aux.

Cylinder Rod End) @ Line Relief Valve (Tilt Cylinder Rod End) Line Relief Valve (Tilt Cylinder Head End) A5 A1 A2 A3 21 22 Rear Service Brakes Accumulator Charging Valve B5 B6 23 24 Parking Brake Control Valve Parking Brake Pressure Switch B7 25 Check Valve B4 26 Check Valve C1 Chart A 966G II and 972G II Hydraulic Component Locations Item No.

Component Schematic Location 27 Service Brake Oil Pressure Switch C6 28 29 Pilot Valve (Oil Manifold) Ball Valve (Hydraulic Lever Lock) C1 C3 F2 D4 30 31 32 Pilot Control Valve Fan Drive Motor Secondary Steering Valve * 33 34 35 36 37 38 39 40 Left Steering Neutralizer Valve Right Steering Neutralizer Valve Steering Cylinders Hydraulic Oil Cooler Bypass Valve Hydraulic Oil Cooler Electro-Hydraulic Control Implement Pump Hydraulic Oil Filter D4 D5 D7 E2 E3 E1 E2 41 42 43 44 45 46 Fan Drive Pump Screen Group Flow Divider Valve (Brake Oil Cooler) Steering Pump Pilot/Brake Pump Breaker Relief Valve E2 F1 47 48 Secondary Steering Pump and Electric Motor* Steering Metering Pump F3 F4 49 50 Steering Backup Relief Valve Steering Control Valve F5 F6 51 Steering Crossover Relief Valve 52 Brake Oil Cooler F2 53 Hydraulic Oil Tank F2 4 Chart B 966G II and 972G II Hydraulic Pressure Tap Locations Pressure Tap Description Schematic Location AA Tilt Cylinder Rod End Pressure A3 BB Tilt Cylinder Head End Pressure CC DD Rear Service Brake Pressure Front Service Brake Pressure A5 FF GG Service Brake Accumulator Pressure Implement Pilot Pump Pressure C6 C4 HH Implement Pump Pressure D1 JJ Fluid Sampling Valve E2 KK Steering Pump Pressure E5 LL Fan Drive Pump Pressure E3 MM Steering Signal Pressure F4 2 3 4 5 6

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1 2 5 6 7 4 3 1 2 3 4 AA 12 11 10 9 6 8 7 5 TRANSMISSION CONTROL TO AUX BB LIFT TO BRAKE LIGHTS 14 15 CC A A DD 17 16 LOWER RAISE 21 22 23 B B A NOT USED ON THE THE RELIEF VALVE IS BK 26 24 FOLLOWING MACHINES: RD TRANSMISSION CONTROL TO 966G SERIES II BU EE FF GG HH JJ KK LL AWY431-UP AXJ636-UP ANT1-UP ANZ1-UP LL 25 26 HIGH PRESSURE H.E. OR R.E. 972G SERIES II AXC526-UP AXN253-UP ANY1-UP AWP1-UP BRAKE DRAIN TO E6 MM * Secondary Steering is an optional attachment. E2 E4 C E1 RD C 27 BU 30 Parking Brake Control Valve C7 DUMP @ Auxiliary Cylinders are an optional attachment. % The one stem valve (third function) is an # Ride Control is an optional attachment.

28 30 LOWER LOWER/CLOSE 29 The two stem valve is standard. optional attachment field conversion. FLOAT TILT BACK RAISE OPEN/RAISE The three stem valve is an optional attachment.

E3 E5 E7 D 31 D IMPLEMENT RETURN NN NN IMPLEMENT PILOT/PILOT STEERING RETURN 43, 47 39, 40, 41, 34, 35, 36, 9, 10, 42, MM 51, 60 13 - 20, 22, 23, 29, 30 8, 31, 38 CC, DD 24, 25, 27, EE, FF, GG HH, JJ, KK LL, UU, VV 1, 32 33 34 47, TT 45, 53, 54 28, 50 STEERING 35 SS, WW NN 3 36 44 PILOT/BRAKE IMPLEMENT 42 43 44 39 38 37 40 41 B A RENR4398-03 20 Page E TT E PP RR P SS 45 C T 46 X A 47 48 UU A 57, 59 61, RR 52, PP, ZZ B VV B 45, 55, 56 6, 7, 26, 31, 11, 12 32, 37 WW 2 5 21 4 L1 S 49 22, 23, 29, 30 8, 9, 10, 26 1, 13 - 20, 24, 25, 27, 28, 50 51 52 53 54 51, 60 40, 41, 48, 53 54, 57, WW 55, 56 42 34, 35, 36, 39, 33 38, 52, CC, DD 50, EE, FF, GG MM, PP, ZZ 3 32, 37 HH, JJ, KK, LL, UU, VV F 60 55 56 57 FAN SUCTION S F 6, 7 AA, BB SECONDARY STEERING SUCTION 47, 49, TT 58 59 59 61 57 44 ZZ STEERING LOAD SENSE SIGNAL STEERING RETURN G F06027 187-6676-00 966G II & 972G II E/H IMPLEMENT/COMMAND CONTROL STEERING HYDRAULIC SCHEMATIC G 5, 59 NN 21, 59 11, 12 57, 59, 61, RR 31, 46 GG 2 43, 47 4 7 1 Chart C 966G II and 972G II Hydraulic Component Locations Item No.

Component Schematic Location 1 Main Control Valve % A1 2 Auxiliary Cylinders @ A2 3 Tilt Cylinder A3 4 Lift Cylinders A4 5 Front Service Brakes A5 6 Left Pedal Assembly A6 7 Right Pedal Assembly 8 Service Brake Control Valve A7 9 Front Service Brakes Accumulator 10 Rear Service Brakes Accumulator 11 Parking Brake 12 Parking Brake Actuator 13 Orifice A3 14 Ride Control Diverter Valve # A5 15 Ride Control Accumulator # 16 Main Relief Valve A1 17 Line Relief Valve (Aux. Cylinder Head End) @ A2 18 Line Relief Valve (Aux.

Cylinder Rod End) @ 19 20 Line Relief Valve (Tilt Cylinder Rod End) Line Relief Valve (Tilt Cylinder Head End) A3 21 Rear Service Brakes B5 22 Accumulator Charging Valve B6 23 Parking Brake Pressure Switch B7 24 Check Valve C4 25 Check Valve C1 26 Screen Group 27 28 Pilot Valve (Oil Manifold) Lowering Control Valve Chart C 966G II and 972G II Hydraulic Component Locations Item Schematic No. Component Location Item No.

31 Steering Cylinders D7 32 Steering Pilot Valve D4 33 Steering Wheel D5 34 Manifold (Orifice and Screen) D5 35 Orifice 36 Screen E5 37 Check Valve 38 Left Steering Neutralizer Valve 39 Steering Control Valve E6 40 Steering Crossover Relief Valve 41 Shuttle Valve E7 42 Hydraulic Oil Cooler Bypass Valve E2 43 Hydraulic Oil Cooler 44 Fan Drive Motor E3 45 Implement Pump E1 46 Hydraulic Oil Filter E2 F3 47 Fan Drive Pump 48 Flow Divider Valve (Brake Oil Cooler) F2 49 Electro-hydraulic control E3 50 Shuttle Valve F4 51 Secondary Steering Valve * F5 52 Right Steering Neutralizer Valve 53 54 Pressure Reducing Valve Steering Backup Relief Valve F6 F7 55 56 Steering Pump Pilot/Brake Pump F1 57 Screen Group 58 Breaker Relief Valve 59 Brake Oil Cooler F2 60 Secondary Steering Pump and Electric Motor* F4 61 Hydraulic Oil Tank F1 18 20 BACK DUMP TILT LINEAR PATTERNS Pressure Pilot Pressure Return Lines Components Denotes Wire Code Chart D 966G II and 972G II Hydraulic Pressure Tap Locations Pressure Tap Description Schematic Location AA Tilt Cylinder Rod End Pressure A3 BB CC Tilt Cylinder Head End Pressure Rear Service Brake Pressure DD EE FF GG HH Front Service Brake Pressure Auxiliary Pilot Pump Pressure Auxiliary Pilot Pump Pressure Tilt Pilot Pump Pressure Tilt Pilot Pump Pressure A5 B1 B2 JJ KK LL MM NN PP RR SS Lift Pilot Pump Pressure Lift Pilot Pump Pressure Pilot Pump Pressure Service Brake Accumulator Pressure Implement Pump Pressure Steering Pump Pressure Fluid Sampling Valve Steering Pilot Pressure B3 C4 C5 C6 D1 E2 E2 E6 TT UU VV Fan Drive Pump Pressure Steering Control Valve Neutral Pilot Pressure Steering Pilot Pressure E3 E4 F4 WW ZZ Steering Pilot Pressure Steering Signal Pressure F6 F5 2 3 4 5 6

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