Is there an excavator that does not swing?
Is there an excavator that does not swing?
yes this is the only function that does not work. Yes the large lines do get tight with pressure with i try to swing. Yes we have removed the motor from the drive gear and the machine can be pushed around while it is removed. The smallest lines are for swing brake. It will connect to a solenoid to control it. Check for power to the solenoid.
What is the part number on an excavator swing?
Below is a picture of the location. (as long as it is not too different from US versions) The part number I have found is (NNN) NNN-NNNN The wires should be a white wire marked H476 and a black wire marked 235 for implement pressure switch.
When to use the swing brake on an excavator?
Operate the machine with the switch in the OFF position when great swing forces are required. For example, digging on a sidewall requires great swing force. Operate the machine with the switch in the OFF position in order to control the motion with the swing brake. The purple wire gets voltage from the fine swing fuse.
Where is the solenoid on the excavator swing motor?
Location of solenoid – on valve body below main control valve mounted on side wall, cabin side, number 31 illustration 105 in systems operation section of Caterpillar Workshop Manual. Oil temp on cabin guage mid range. Serviced swing motor yes changed oil. 30W Castrol RX Super.
yes this is the only function that does not work. Yes the large lines do get tight with pressure with i try to swing. Yes we have removed the motor from the drive gear and the machine can be pushed around while it is removed. The smallest lines are for swing brake. It will connect to a solenoid to control it. Check for power to the solenoid.
What to do if your excavator swing brake does not work?
If the purple wire does not have power, trace the wires back to the fuse. If the green wire does not have continuity to ground, trace the wires to the switch and check the switch wires for ground. Swing brake should release if either of the solenoids work. Both do the same function.
Where is the solenoid wire on an excavator?
The L973 green wire provides the fine swing solenoid ground at the switch. A K906 green wire is the control from the ECM, this wire runs through the back-up mode switch (K907 green) located in the rear of the right hand console. This switch can be placed in back-up mode to test the solenoid also. Try it in back-up and see if brake releases.
Why is my excavator not getting power from the ECM?
If no voltage is present then the K907 green wire on the back-up switch is not getting power from the ECM. The ECM is bolted under the seat. It should have a green light showing when the key is on. Inspect the wiring from the back up switch to the ECM. If no problems are found, unbolt the ECM and inspect the bottom for corrosion.
Where are the solenoids on a 322bl excavator?
A K906 green wire is the control from the ECM, this wire runs through the back-up mode switch (K907 green) located in the rear of the right hand console. This switch can be placed in back-up mode to test the solenoid also. Try it in back-up and see if brake releases. Your model should have two solenoids.
If no voltage is present then the K907 green wire on the back-up switch is not getting power from the ECM. The ECM is bolted under the seat. It should have a green light showing when the key is on. Inspect the wiring from the back up switch to the ECM. If no problems are found, unbolt the ECM and inspect the bottom for corrosion.
Where is the purple wire on an excavator?
The 147 purple wire is to the fine swing fuse, be sure to check it first. The L973 green wire provides the fine swing solenoid ground at the switch. A K906 green wire is the control from the ECM, this wire runs through the back-up mode switch (K907 green) located in the rear of the right hand console.
Where can I find an excavator for sale?
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How big of an excavator can I rent from United Rentals?
United Rentals offers multiple sizes of excavators, ranging from 21 tons to 24.95 tons, and attachments for multipurpose applications. If you’re looking for construction equipment for excavating, we have just the tool to fit your needs. Is an excavator the same as a digger?
A K906 green wire is the control from the ECM, this wire runs through the back-up mode switch (K907 green) located in the rear of the right hand console. This switch can be placed in back-up mode to test the solenoid also. Try it in back-up and see if brake releases. Your model should have two solenoids.
Operate the machine with the switch in the OFF position when great swing forces are required. For example, digging on a sidewall requires great swing force. Operate the machine with the switch in the OFF position in order to control the motion with the swing brake. The purple wire gets voltage from the fine swing fuse.
Where is the back up mode switch on an excavator?
A K906 green wire is the control from the ECM, this wire runs through the back-up mode switch (K907 green) located in the rear of the right hand console. This switch can be placed in back-up mode to test the solenoid also. Try it in back-up and see if brake releases.
How to turn off the fine swing control on an excavator?
Push down on the left side of the switch in order to turn off the fine swing control. Operate the machine with the switch in the OFF position when great swing forces are required. For example, digging on a sidewall requires great swing force.
Why does my excavator not swing in either direction?
The rear solenoid had no power on either wire. At full throttle on right console left switch down and right switch held up lights flash on panel, while doing this moving the swing lever in either direction I can feel it bump each time the lights flash. The machine still does not swing. Any suggestions? I did miss a step for you to test.
How much power does a 390f hydraulic excavator have?
Net Power – SAE J1349 391 kW 524 hp Maximum Operating Weight 86 275 kg 190,204 lb Drive Maximum Travel Speed 4.5 km/h 2.8 mph Maximum Drawbar Pull 590 kN 132,637 lbf 2 Introduction The 390F is built to give you the highest production with the lowest owning and operating costs in its size class. Not only does the machine’s C18 ACERT
Why is my excavator moving so slow?
The hydraulic system is one of the power systems of the excavator. If the excavator moves slowly, check whether the hydraulic system is maintained on time and whether the hydraulic oil is replaced regularly.
What kind of control does a cat excavator have?
Control Like No Other Controllability is one of the main attributes of Cat excavators, and one of the key contributors to this is the new ACS valve. The valve is designed to intelligently manage restrictions and flows. It opens slowly when your range of joystick lever
How old is Cat Man 320 hydraulic excavator?
Cat man 320 at 12 years you don’t say hr meter reading you pump may bedown om flow what most miss that the modern hydraulic excavator is just a hydraulic power pack if flow’s down cycl times will be slow your Cat dearler should have some one and tooling to carry out hydraulic test to pin point problem’s
If the purple wire does not have power, trace the wires back to the fuse. If the green wire does not have continuity to ground, trace the wires to the switch and check the switch wires for ground. Swing brake should release if either of the solenoids work. Both do the same function.
A K906 green wire is the control from the ECM, this wire runs through the back-up mode switch (K907 green) located in the rear of the right hand console. This switch can be placed in back-up mode to test the solenoid also. Try it in back-up and see if brake releases.
Why are the brakes on my excavator not working?
Look under the center of the machine for leaks from the swing motor seal or as mentioned before oil leaking from the turning table bearing could be from a bad swing motor seal. . Anything over 0.070 up and down is worn out. Swing brakes do not stop the house from turning.
Why does my excavator not stop the house from turning?
Anything over 0.070 up and down is worn out. Swing brakes do not stop the house from turning. They only hold the house in place after the controls are all released for about 7 seconds or so. Swing motor pinion leaks show up on the swing bearing. Hydraulic oil leak appearing from around the ring gear (where cab swivels on the tracks).
Which is mini excavator with swing boom front linkage?
3 The Cat 308E2 CR SB Mini Hydraulic Excavator delivers high performance with the versatility of a swing boom front linkage in a durable Compact Radius design to help you work in the tightest applications. With the COMPASS display panel, Tier 4 Final engine and new hydraulic system, the 308E2 CR SB is more
Is there a dealer for the cat 304e2 mini excavator?
Sorry, there is not yet a dealer for your territory in our eCommerce store. The Cat ® 304E2 CR Mini Hydraulic Excavator delivers efficient performance, durability and versatility in a compact design to help you work in a variety of applications.
How much does a mini excavator swing stick weigh?
Weights* Operating Weight 8996 lb 4080 kg Weight – Canopy, Standard Stick 8655 lb 3925 kg Weight – Canopy, Long Stick 8721 lb 3955 kg Weight – Cab, Long Stick 8996 lb 4080 kg Weight – Cab, Standard Stick 8930 lb 4050 kg
What makes an excavator drop to the ground?
Check list: Tracks, track links, sprocket wear, turntable movement very important; hours, hydraulics and leaks, Operate drop the boom or dipper to the ground then watch as it pressures down to the ground to lift the body (house) off the H-frame (track frame).
Anything over 0.070 up and down is worn out. Swing brakes do not stop the house from turning. They only hold the house in place after the controls are all released for about 7 seconds or so. Swing motor pinion leaks show up on the swing bearing. Hydraulic oil leak appearing from around the ring gear (where cab swivels on the tracks).
Below is a picture of the location. (as long as it is not too different from US versions) The part number I have found is (NNN) NNN-NNNN The wires should be a white wire marked H476 and a black wire marked 235 for implement pressure switch.
Why does my excavator shake when I start it?
I just bought a 1987 mitsubishi ms120 excavator and the issue is that when you start up or slowing down the swing the machine shakes. feels like the swing brake is chattering. I changed the drive oil with new 80-140w thinking there was a wet clutch in the drive. on top of the hydraulic motor there is 2 adjusters and one is missing the cap.
