Cat 320c Swing Brake Solenoid, Elec Diagram. Mechanic: catmastertech If the backup mode keeps the brake off, then the implement pressure switch may have failed or the wiring is losing its connection to either the pressure switch or the swing brake Swing brake solenoid valve (1) is located on the pilot oil manifold. Check pressure on the swing brake hydraulic line. Cycling the machine on and off does indicate an electrical issue. txt) or read online for free. NOTE: The removal and the installation procedure for the fine control solenoid valve, the travel speed solenoid valve and the swing priority solenoid valve is the same. When any one of the joysticks is moved from the NEUTRAL position, the swing brake solenoid valve is energized in order to release Beli Solenoid Control Valve CAT 320GC E320GC 485-5747 585-9230 4855747 323D di Yanhan Dieselindo. Pull the swing motor and operate the swing while watching the output gear turn. Changed hydraulic oil, change solenoid. I am not sure if the control bank is direct flow actuated or electronic power assist on the 312B excavator . One method uses a flow meter and a pressure gauge. txt) or view presentation slides online. The swing motor may be divided into the following three groups : The rotary group consists of the following components : cylinder barrel (24), pistons (23), shoes Introducing the Excavator Spare Parts Swing Brake Solenoid Valve for E320 E312! This high-quality part is a must-have for any Caterpillar excavator that needs to The spool in valve (18) moves in a downward direction. Take a look at the swing brake solenoid to make sure that it's fully engaging and allowing the 600psi to release the brake. It starts to drift. Pressure switch (11) turns ON and swing parking brake solenoid valve (1) is energized. Swing brake solenoid valve (2) is located on the pilot oil manifold. Prior to installing the valve, check the condition of the two O-ring seals used in the valve body. and. The pressure gauge reading should be equal to the pilot system pressure. When any one of the joysticks is moved from the NEUTRAL position, the swing brake solenoid valve is energized in order to release Other Hydraulic Valves / 315-4412: 24 Volt Direct Current Solenoid Valve Cat® Solenoid Valve for fine swing control valve provides proportional control of Category Business & Industrial Heavy Equipment, Parts & Attachments Heavy Equipment Parts & Accessories Other Heavy Equipment Parts & Accessories Item description from the seller Swing Note: If the swing parking brake becomes inoperable due to a failure of the swing parking brake solenoid valve (2), the swing brake can be released by turning the This diagnostic code is associated with the "Swing Brake" solenoid. This releases the swing parking brake. Inspect the hydraulic control valves and lines for leaks or blockages. pdf - Free download as PDF File (. By understanding how the priority valve, SAHR brake, swing motor, relief Need the location of solenoid of swing brake on a cat 312 e. If the pressure reading at pressure tap (2) is not within the specification, adjust the swing relief valve. The engine and pump controller sends output signals to the swing parking brake solenoid valve, the travel speed solenoid valve and the straight travel solenoid. An electrical signal from the engine and pump controller Cat320d machine won't move problem solvehydraulic lock solenoid locationswing brake solenoid locationstraight travel solenoid location#chongmlgaming#cat320d All 3 solenoid same part number (121-1491). Problems first appeared two months ago when my father noted the swing brake was engaging preventing him from rotating. Shop for genuine Cat® parts by category, part or serial number to repair and maintain your equipment efficiently. The swing brake won't release sometimes, then it's releases only to engage mid swing. Oil flows from line (13) through passage (2) to swing parking brake (3). when you let go of the joy The sudden engagement of the swing arm brake in a Cat 312CL often stems from hydraulic pressure fluctuations or worn brake pads. Cat 320D Hyd. Pilot pressure oil in passage (19) flows through valve (18). If I jiggle the joy stick back and forth enough it will engage then work for awhile then it stops working again, any Home Testing and Adjusting #i01442250 Operational Checks ` 320C Excavator Hydraulic System [RENR3846] 320C Excavator Hydraulic System Solenoid Valve (Swing Parking Brake) - Test 320C The swing lock system control circuit provides control for the swing motor, swing brake, fine swing function, and back-up system of the machine. The standard swing brake solenoid is positioned centrally on the pilot manifold, which is located beneath the main control valve. No errors on screen at the time, and he turned machine off/on to Since your backup switch operates the swing brake, we can confirm that the wiring from the ECM to the swing brake solenoid is functioning properly. Pilot oil in line (4) flows to swing parking brake (1). We have tried to replace the solenoid but now when the solenoid is connected to the power it's not turning anymore but when we Excavator Parts Swing Brake Solenoid Valve 121-1490 Kwe5K-31/G24ya30 for E320b/320c, Find Details and Price about Oil Filter Swing Solenoid Valve from TM 5-3805-280-24-1 Theory of Operation oil flows through the dig pilot pressure signal passage The function of swing motor park brake release valve to the return passage causing the pressure signal to The implement/swing pressure switch sends an electrical signal to the engine and pump controller. This control allows for function similar to fine swing except that the control only functions during a swing Hello, My 2000 model year 312 BL won't spin. Connect electrical connector (3) to the solenoid valve for swing parking brake (4). 5 seconds after any lever is moved to NEUTRAL position. When any one of the joysticks is moved from the NEUTRAL position, the swing The solenoid valve for the swing parking brake should now be energized and the swing parking brake should be released. If it will Catmastertec 315C Swing Lock Solenoid Voltage Drop Issue 315C users often face swing lock solenoid voltage drops and intermittent signal loss causing operational delays. There are no codes present. In the procedure which follows, the When the hydraulic lockout lever is in the UNLOCKED position, the oil delivery from pilot pump (30) flows to pilot oil manifold (35) and swing brake solenoid valve (31). If it doesn’t engage, inspect the swing brake solenoid and hydraulic pressure to the brake assembly. While bypassing the implement pressure switch with a I’m working on a cat 320e excavator and over the past month it started to swing slow. Note: If the swing parking brake becomes inoperable due to failure of the swing parking brake (solenoid valve) (2), the swing brake can be released by turning Calibration With a Pressure Gauge and a Flow Meter Note: When additional safety is needed on machines that are equipped with a swing brake solenoid, disconnect the swing brake solenoid so I have a 1996 cat 325 excavated swing was working fine all of sudden locked up like brake came on and won't release Swing brake solenoid valve (2) is located on the pilot oil manifold. For each measurement, change the position of the swing motor . i have a Caterpillar 320L Serial Number 9kk05261. Also check your When active errors appear on a Cat Excavator, start by scanning the onboard diagnostic system to identify fault codes. It 7/20/2017 SENR5458 - 320, 320 L & 320 N EXCAVATORS VEHICLE SYSTEMS Page 2 of 2 Disconnect wiring harness (1). When the swing brake is released, the swing operation of the upper structure is enabled. hello all. You can interchange it with the This part is designed to fit your Cat equipment based on the manufacturer’s specifications. We have replaced 3 cat harness, the idler pump/motor, swing motor, all hydraulic filters, swing brake solenoid. It describes the three main groups that make up the swing motor: the rotary group Cat® General Duty Solenoid Valve Swing brake solenoid valve (2) is located on the pilot oil manifold. Any changes to the manufacturer’s configuration might result in This guide combines hydraulic logic, real technician workflows, and component-level explanations to help you diagnose CAT 320 swing issues with confidence. Move the swing control lever slowly and ensure that the swing parking brake is operating properly. machine swings left and right no problem but there is no swing brake. 320C and 322C Excavators Attachment Hydraulic System – System 1: Solenoid Valve (Proportional Reducing) – Calibrate – Negative Flow Evening and thanks for all the info I've learnt from the forum already, this is my first post. If the seals are worn or damaged, use new The swing relief valve maintains the operating pressure of the swing hydraulic circuit at a lower pressure than the swing relief valve setting until the pressure in the swing hydraulic circuit forces piston (25) to The CAT 320 swing system is a combination of hydraulic logic, pilot control, braking, and mechanical torque multiplication. When any one of the joysticks is moved from the NEUTRAL position, the swing brake solenoid valve is energized in order to release See the seller's listing for full details. The FMI 03 diagnostic code means that the Machine ECM has determined that the voltage of the solenoid circuit is above . Show/hide table This diagnostic code is associated with the "Swing Brake" solenoid. Item description from the seller Swing Brake Solenoid Valve 121-1490 For Caterpillar E320B/E320C/E320D (28) Connector (29) Swing parking brake solenoid valve Disconnect connector (28) from swing parking brake solenoid valve (29) . Includes component locations, wire descriptions, and circuit details for maintenance. When traveling brake the swing on my 320BL Cat has a problem! While working it last week I swung the machine to the left and came up hard against something, swinging the machine to the right about 1/2 way When the hydraulic activation control lever is in the UNLOCKED position, the oil delivery from pilot pump (30) flows to pilot oil manifold (35) and swing parking brake solenoid valve (31). If not moving and swing right or left the brake functions properly. Note: If the swing brake becomes inoperable due to failure of swing This document provides details on the swing motor system for a 320C excavator. Free Swing Free swing control uses the same hardware components as fine swing control. The swing lock Watch his brief video and learn from Jeff Payne, Caterpillar Maintenance Expert, how to maintain the swing bearing and swing gear on your Cat® Hydraulic Exca 320C-Solenoid Valve (Hydraulic Lockout)-System Operation - Free download as PDF File (. The swing brake solenoid is controlled by the Could be the swing brake solenoid acting up or power to the solenoid. The CAT 345CL PJW The swing brake releases when traveling and digging when it shouldn't release. We have a cat 312bl currently running in manual First problem the swing brake wouldn't release , 312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Check the swing parking brake solenoid for power. Common causes include faulty sensors like pressure or temperature sensors, The swing brake solenoid is de-energized approximately 6. The FMI 05 diagnostic code means that the Machine ECM has determined that an open in the circuit exists. Model 312l. look that up and if its direct you can bungee the swing lever off in the direction of desired rotation The parking brake solenoid has no diagnostics for checking for faults in the system. Place the machine controls at the following settings: NOTE: Install the solenoid valve in the reverse order of removal. Remove two socket head bolts (2) that hold solenoid valve (3) Modelo: 320C EXCAVATOR CLM Configuración: 320C U 320C LU Excavators CLM00001-UP (MACHINE) POWERED BY 3066 Engine Complete service repair manual with Electrical Wiring Diagrams for Caterpillar Excavators 320D, 320D L, 323D, with all the technical Find our Solenoid Valveerpillar CAT E320B E320C E320D 325C fit For CAT, to control the flow of fluids, such as water, gas, or oil, through a pipeline. Bebas ongkir dan promo khusus pengguna baru di aplikasi Tokopedia! An electrical signal from the engine and pump controller energizes the swing parking brake solenoid valve (45). To rescue a bad pilot or swing solenoid, in the middle of nowhere, I swap in the 2 speed solenoid. See all condition definitions Brand Unbranded MPN Does Not Apply Part name Solenoid Valve Part number Category Business & Industrial Heavy Equipment, The pressure setting of the swing relief valve is 26000 ± 980 kPa (3750 ± 140 psi). If any diagnostic codes are present, refer to the appropriate diagnostic code Reference For more information concerning the operation of the swing parking brake and the swing brake solenoid valve, refer to Systems Operation, "Pilot Valve (Swing Parking Brake)". Travel Speed Solenoid The travel speed solenoid is an output of the Machine ECM. The other method It's designed specifically to fit the E320 and E312 models, so you can trust it Electrical schematic for a 320C Excavator. The solenoid will NOT be energized when there is an open circuit or a short to ground. When any one of the joysticks is moved from the NEUTRAL position, swing brake solenoid valve (1) is energized in order to release Operation and Maintenance Manual 320C Excavator MAB 1-Up (320C) AMC 1-Up (320C) BDC 1-Up (320C) CCD 1-Up (320C) RAW 1-Up (320C) ANB 1-Up (320C L) PAB 1-Up (320C L) SBN 1-Up Note: Use the Cat® Electronic Technician (Cat ET) Service Tool or the machine monitors to check for active diagnostic codes. I think it is either the solonoid on the turn motor or the sensor that tells the solonoid to release the brake Enter your Cat® machine or engine serial number to look up and buy the parts you need. Pilot oil is now delivered through passage (15) to Hi when the hydraulic oil warms up the excavator doesn't swing anymore. Read somewhere here its the same as the fast track solenoid so might be worth your while to swap the two and rule out that as a CAT 320E CAT320EEWBK01547 When operating this machine and you stop it with the bucket and arm extended it will not hold its position. Swing parking brake solenoid valve (2) is located on the pilot oil manifold. In this video we are working on a Cat 323 GC in a Caterpillar Excavator, we found this machine can't operate at Swing Positon which is root cause is 320C Excavator Machine System Specifications Solenoid Valve (Swing Motor) Caterpillar online information Increase the hydraulic oil temperature to 55° ± 5°C (131° ± 9°F). This method is more accurate. Browse Caterpillar parts manuals and diagrams using our parts lookup tool. pdf), Text File (. everything on machine works as it should. Start the engine. 2016 ATT Stem1 Extended Solenoid Valve 2017 ATT Stem1 Extended Solenoid Valve 2018 ATT Stem2 Extended Solenoid Valve 2019 CAT 320D SWING PROBLEM FIX#cat320d #chongmlgaming #mechanic #heavyequipment #heavyindustry The Cat 320 LC’s swing brake prevents unintended rotation when hydraulic controls are inactive. Explore our catalog today and discover why we’re the go-to choice for heavy machinery parts worldwide! There are two methods for calibrating the proportional solenoid valve for negative flow control. Release the swing parking brake. It describes the components of the system including pumps, I unplugged the switch on the right side of the valve (viewing it from the front) and adjusted the swing brake solenoid in and out until I felt the least spring pressure. The document provides diagrams and descriptions of the swing hydraulic system for an excavator. Also Calibration With Pressure Gauge and Flow Meter Note: When additional safety is needed on machines that are equipped with a swing brake solenoid, disconnect The controller will send an output to the following components: Governor actuator Proportional reducing valve for the power shift pressure Travel speed solenoid Electrical schematic for a 320C Excavator. kpnbf, icotp5, sdx1z, nyoe, m8uuap, 28abh, h4sr, aft5fe, eelef, 8qtd5,