Click here to make tpub.com your Home Page

Page Title: Boom Lower Relief Valve Adjustment-CONT.
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

TM 10-3930-673-20-2
(c)
Operate boom lower function until boom is fully lowered. Continue to hold boom control lever in position
so hydraulic oil passes over relief valve.
(d)
To increase relief pressure, turn adjusting screw clockwise (in). To decrease pressure, turn adjusting screw
counterclockwise (out).
(e)
When desired relief pressure shows on gage, release boom hoist lever.
(f)
Hold adjusting screw in position and tighten jam nut (10).
(g)
Install acorn nut (9).
(h)
Shut off engine (TM 10-3930-673-10).
(4)
Adjust main relief valve pressure to between 3,000 - 3,100 psi (20685 - 21374.5 kPa).
(a)
Operate boom extend, retract, hoist or lower function until hydraulic oil is passing over relief valve.
Continue to hold hydraulic lever in that position so oil passes over relief valve during relief valve
adjustment.
(b)
Turn adjusting screw counterclockwise (out) until pressure on gage reads between 3,000 - 3,100 psi (20685 -
21374.5 kPa).
(c)
Release hydraulic function lever.
(d)
Hold adjusting screw bin position and tighten jam nut (4).
(e)
Install acorn nut (3).
(f)
Shut off engine (TM 10-3930-673-10).
(5)
Remove pressure gage.
Remove pressure gage from main relief valve plug port (2).
(6)
Install main relief valve plug (2).
Install main relief valve plug (1) in port (2).
(7)
Replace transmission cover (Para 16-5).
END OF TASK
18-33

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business