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CAT 345B L. S/N 4SS01195 SWING FUNCTION NOT WORKING LEFT OR
CAT 345B L. S/N 4SS01195SWING FUNCTION NOT WORKING LEFT OR RIGHT. YOU CAN HEAR THE LOAD OF THE HYDRAULIC PUMP WHEN YOU OPERATE JOYSTICK. FROM WHAT I UNDERSTAND THE PUMP CONTROLLER SENDS A 24V SIGNAL T… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
I have an old jggb1010 that under a load swings by itself at
hello , I have an old jggb1010 that under a load swings by itself at a pretty high rate of speed . I am leaning twards a swing brake problem , because I can hear a metallic slapping sound when unloade… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,093 satisfied customers
Cat 330 boom/bucket operates very slowly. Travel operates
cat 330 boom/bucket operates very slowly. Travel operates very slowly. Stick and swing function normally. Pilot pressure at spec right at 600psi. What would be the common denominator to the travel cir… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,093 satisfied customers
Catmastertech, have cat 315cl serial number cacjc02070 with
Catmastertech, have cat 315cl serial number cacjc02070 with 3646 hours, Have Electronic Technician and pressure gauges to trouble shoot per your instructions, have pump howl in left travel function in… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
Have grove mz66b that has a couple issues. Functions are
functions are hesitant at first start up to move boom components, basket extend and retract, swivel and level. Will extend quick but retract slow will retract fast and then not extend without waiting. Up and down same thing. Model MZ66B … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,093 satisfied customers
I am working on a Caterpillar excavator model 245B
Hello, I am working on a Caterpillar excavator model 245B ser#6MF00035 and I am having issues with the pressures on hydraulic pumps. When I lift the boom and bottom it out at full idle I read a pressu… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,093 satisfied customers
D5G XL, replaced left drive with CAT reman, now the left
D5G XL, replaced left drive with CAT reman, now the left track is always wanting to go in high, while the right side goes slower. Also, I need the adjustment procedure for the accel and decel cables. … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,093 satisfied customers
Catmastech 321c SN mcf00334 when boom is held over to releaf
catmastech 321c SN mcf00334 when boom is held over to releaf stalls machine no codes power shit is good right pmp at idel is 434 psi… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
How does a emergency load release button work in a PL87
How does a emergency load release button work in a PL87 sideboom work when activated and does it need to be reset after its been activated. … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,093 satisfied customers
I have a 312 cat excavtor that doesnt want to turn, model
hi i have a 312 cat excavtor that doesnt want to turn … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,093 satisfied customers
I have a 420 D cat backhoe steers good without a load in the
I have a 420 D cat backhoe steers good without a load in the bucket . When you get a load on the bucket with main hyd. valve in neutral position steering quits. Move any hyd spool steers good . I thin… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,093 satisfied customers
I have a 1986 cat 428 when I increase the revs the backhoe
I have a 1986 cat 428 when I increase the revs the backhoe lift slows. If I engage the slew it will speed up again any advice would be greatfull. thanks bobby… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
Dan,Another question on same machine (john deere 160lc) per
Dan, Another question on same machine (john deere 160lc) per our last conversation, the pump is back to normal after I found the set screw limiting the stroke of the rear pump however there is another… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,093 satisfied customers
Hello, I have a 320 Cat/Favco 30 ton. Unable to swing. Engine loads up when trying to swin
Hello, I have a 320 Cat/Favco 30 ton. Unable to swing. Engine loads up when trying to swing. I've located four solenoid valves located on pilot system near pump. I've also located solenoid valve on sw… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
I have 215 lc a steel line started leaking so I changed It
I have 215 lc a steel line started leaking so I changed It now my right track is dead only one track is driving and when I push the steer lever over the machine changes direction with pedal down eithe… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,093 satisfied customers
my customer has a cat 312b sn 8jr012241 it will swing around
my customer has a cat 312b sn 8jr012241 it will swing around fast but when you swing slowly it locks down the swing every certain clock position. we removed the swing drive motor and all gears look in… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
just bought a 1997 525 cat serial number 1dn0000365 but the
just bought a 1997 525 cat serial number 1dn0000365 but the winch wont reel out. it reels in fine and brakes well but refuses to ''let got'' when you pull the cable out. i have tried to replace the co… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 1980 235 Cat excavator and recently the stick is very
I have a 1980 235 Cat excavator and recently the stick is very slow, also one track has lost power. I checked the pressure on the pumps, both pressure up to 3700 psi, pilot pressure is at 325 at the s… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
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