4. WARNINGS FOR A HIGH-PRESSURE CYLINDER (190-00122). 190-00122 ARO1110L 5. WARNINGS WHEN ADJUSTING TRACK TENSION (2190-3386A, 190-00521). The track adjuster adjustment and handling The spring in the track adjuster is loaded with great force and the pressure in the cylinder is very high. For this reason there is a possibility of an accident which may involve injury to personnel. It is very dangerous to make mistakes when performing such an adjustment or disassembly. Be sure to read the procedures described in the Operation and Maintenance Manual carefully before adjusting the track tension. 2190-3386A 190-00521 ARO1120L 1-6 Safety 022-00058E Operation and Maintenance Manual