16. ARM REST - Provides arm rest during operation and protects arm from hot engine. 17. AUTOMATIC OILER ASSEMBLY -Self oiling. Use high quality, low viscosity, non detergent bar and chain oil. 18. SAW CHAIN - 90 SG 9.53 mm (3/8 in.) low profile Oregon saw chain. Runs approximately 609.6 m/min. (2000 ft/min) at full throttle. 19. GUIDE BAR- 254 mm (10 in.) guide bar (PPT-2100), 305 mm (12 in.) guide bar (PPT-2400). 20. CUTTING SHOE - Used to capture and stabilize branch while cutting. Place cutti

Head protection with full face shield will help protect you from falling branches and debris. Hand Protection - Wear no-slip, heavy duty work gloves to improve your grip on the power pruner handles. Gloves also reduce the transmission of machine vibration to your hands. Special vibration reducing gloves such as Echo's Pro-Comfort are designed to provide additional comfort. Hearing Protection - Wear hearing protection. OSHA requires the use of hearing protection if this unit is used 2 hours per d