Do not to let foreign material enter the hydraulic tank or touch the bottom of the
c. Remove breather cap (4). Minimize time breather cap is off of hydraulic tank (3) and replace immediately after
filling is complete.
Monitor fluid level while filling to prevent overfilling tank.
d. Using new/clean hydraulic fluid, fill tank until fluid in sight indicator (5) reaches approximately center of FULL
e. Install breather cap (4) to hydraulic tank (3).
f. Lower step (2) and secure by hooking latch (1) to step.
If fluid was added due to damage or repair, the hydraulic system must be bled.
Recheck fluid level prior to operating any hydraulic controls or damage to
equipment may result.
If loss of hydraulic fluid was caused by damage or a repair, air may have entered hydraulic system. Refer to
If no repairs were made and more than 3 inches (7.6 cm) of fluid was added or if fluid had been added daily, refer to
4-18. HYDRAULIC TANK DRAINING
This task covers hydraulic tank draining.
General mechanics tool kit, item 16, appx. B
Extension light, 24 ft, item 17, appx. B
Materials / Parts
Hydraulic fluid, approximately 10 gl (39 l), item 13, appx. E