4-17. HYDRAULIC SYSTEM CHECK AND FILL
This task covers:
a. System Check
b. Fluid Fill
General mechanics tool kit, item 16, appx. B
Personnel Required: 2
Tractor coupled to semitrailer or gooseneck supported (para. 2-24)
General Safety Instructions
Hydraulic fluid may be hot if system has been in operation. Allow system to cool
before performing maintenance or injury to personnel may result.
Hydraulic fluid may be under pressure. Use caution when disconnecting hydraulic
components or injury to personnel may result.
Hydraulic fluid may be absorbed through the skin. Wear long sleeves, gloves, and
goggles or face shield. If hydraulic fluid gets into the eyes, flush them immediately
with water and seek medical attention. If hydraulic fluid gets on skin, thoroughly
wash with soap and water. Wash hands thoroughly prior to eating or smoking.
Check semitrailer hydraulic fluid level as follows:
a. Park tractor/semitrailer on level ground with no side slopes (para. 2-24).
b. Check platform height (para. 2-19). Platform should be at normal road height of 43 inches (109 cm) and
gooseneck should be approximately 63 inches (160 cm).