www.energyabsorption.com
Revision B December 2013
www.highwayguardrail.com
11
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General Maintenance
DESCRIPTION
INTERVAL
1.
Check tightness of fasteners.
1 month or 1,000 miles
2.
Oil swivel Jacks.
6 months
3.
Change hydraulic fluid (Use Dexron
®
III fluid only)
2 years or 30,000 miles
4.
Add hydraulic fluid (Use Dexron
®
III fluid only)
As required
5.
Clean hydraulic pump.
As required
6.
Clean hydraulic ram.
As required
7.
Replace light bulbs.
As required
8.
Clean Backup, Cartridge and Support Frame
(dirt and salt)
As required
9. Check levelness and height of Cartridge in
“DOWN” position (see sheet 1, instruction “A”.)
As required. (correct immediately)*
10. Grease friction points (moving steel parts)
6 months
11 Check the latch mechanism to make sure it moves
smoothly into its locking position.
As required (correct immediately)
12. Check all 1” diameter pins to make sure they are
held in position by a retaining pin.
As required (correct immediately)*
13. Check condition of wheels on Jacks
As required
14. Check for damage or corrosion.
As required *
Note:
As required maintenance shall be checked monthly.
Note:
For items marked with “*” check prior to each use.
