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I have an altec TR 900 it is a digger Derek truck and we
I have an altec TR 900 it is a digger Derek truck and we purchases just put up a building on our farm so the boom down does not work we got the boom up but the boom will not go back down I have bypass… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,864 satisfied customers
All boom controls work except to lower the boom. It's an
All boom controls work except to lower the boom . It's an altec at237 … read more
Ramon Capellan
Ramon Capellan
owner / operator
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25 satisfied customers
580SN backhoe boom won't lift by itself, lifts good when
580SN backhoe boom won't lift by itself, lifts good when running a 2nd function. … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,864 satisfied customers
Main hydraulic hose blew apart with boom in use. How can I
Main hydraulic hose blew apart with boom in use. How can I release pressure so that I can use tractor to put back in stow position? … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,864 satisfied customers
I have sunwood eu 1.8 miny digger it has lost its lifting
hi i have sunwood eu 1.8 miny digger it has lost its lifting power hardly lifts bucket of dirt my mechanic replaced seal in control bank no better then seals in ram pesure the 3000psi … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,864 satisfied customers
Komatsu p c 228. P c 228uslc-2 ser# 15758. Nothing. Broom
komatsu p c 228 JA: What is the complete model and serial number of your machine? Customer: p c 228uslc-2 ser# ***** JA: Are you fixing this yourself? What have you tried so far? Customer: nothing JA:… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,864 satisfied customers
National 1200 series swing cab. No boom or Scope functions.
National 1200 series swing cab. No boom or Scope functions. Swing and winch works. New pump. … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,864 satisfied customers
Main control valve is too leakage inside the valve. 305lc_7.
main control valve is too leakage inside the valve … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,864 satisfied customers
I have a laggy boom and tracks everything else works fine on
I have a laggy boom and tracks everything else works fine on a CAT 302.7D … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,864 satisfied customers
I have a 1999 331 bobcat exca. #512917851 with boom lifting
I have a 1999 331 bobcat exca. #512917851 with boom lifting issues, as well as one ele. solonoid valve is getting hotter than normal, all seals were replaced on both ele. valves one was totally replac… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,864 satisfied customers
I have a Altec AT37G. All of the functions work, but the
I have a Altec AT37G. All of the functions work, but the main boom retract function is extremely slow. What could cause this one function to no work properly? Extending the boom works fine, only the r… read more
Jeremy
Jeremy
Diesel Diagnostic Technician / Expert
Associate Degree
1,511 satisfied customers
I have a altec aa-600 bucket everything worked super smooth
i have a altec aa-600 bucket everything worked super smooth then it started to have a little jerk to it . every thing works but it it has a jump to it in all functions. … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,864 satisfied customers
I have Altec Bucket Truck Model AA-600 Serial Number
I have Altec Bucket Truck Model AA-600 Serial Number 0788-J2149 Located on the lower controls there is a joystick that moves the boom clockwise and counter-clockwise. I removed the valve body and foun… read more
Bradley Martin
Bradley Martin
77 satisfied customers
Link belt ls1600CII. The main problem in having is when the
Link belt ls1600CII. The main problem in having is when the boom is lifted, its slow and bogs the engine down unless you bottom out the arm function at the same time, then the boom shoots right up. Ev… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,864 satisfied customers
I have a 1982 tachi excavator model UH02 it has steel
I have a 1982 Hitachi excavator model UH02 it has steel tracks, it runs well and moves well on tracks, but after about 6 are 7 hours working it s real slow when trying to move but the rest of it still… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,864 satisfied customers
I have a Hitachi EX -450-LC. I put a new hydraulic pump on
I have a Hitachi EX -450-LC. I put a new hydraulic pump on it and the controls move slow. In order for it to swing you have to work the boom or bucket function . The bucket moves at a snail s pace. He… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,864 satisfied customers
Cat 311B SN 8GR00463 Boom down when the boom is on the ground
Cat 311B SN 8GR00463 Boom down when the boom is on the ground does not lower the pilot line pressure to the front pump and the pump Doesn't spool up. If the boom is in the air it does drop the pressur… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
I have a Ford 555A backhoe and have suddenly lost any control
I have a Ford 555A backhoe and have suddenly lost any control over the left and right movement of the boom. All other hydraulics and cylinders are responding normally. Help… read more
Steve
Steve
Mechanic
High School or GED
42 satisfied customers
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