Harbor Freight Tools 69738 User Manual - Page 12

Safety Setup Maintenance Technical Specifications Engine Type Bore x Stroke Displacement Compression Ratio Rotation viewed from PTO (power takeoff - the output shaft) Fuel Type Capacity Single Cylinder 4 stroke OHV 65mm x 54mm 179cc 8.5:1 Counterclockwise 87+ octane unleaded gasoline 1 Gallon Engine Oil Type SAE Capacity Spark Plug Type Gap Valve Intake Clearance Exhaust Speed Idle 10W-30 above 32° F 5W-30 at 32° F or below 0.5 Quarts Torch & LG 0.028 - 0.031″ 0.10 - 0.15 mm 0.15 - 0.20 mm 1,800 ±50 RPM WARNING To prevent serious injury from accidental starting: Turn the Power Switch of the equipment to its "OFF" position, wait for the engine to cool, and disconnect the spark plug cap before performing any inspection, maintenance, or cleaning procedures. To prevent serious injury from equipment failure: Do not use damaged equipment. If abnormal noise, vibration, or excess smoking occurs, have the problem corrected before further use. Follow all service instructions in this manual. The engine may fail critically if not serviced properly. Many maintenance procedures, including any not detailed in this manual, will need to be performed by a qualified technician for safety. If you have any doubts about your ability to safely service the equipment or engine, have a qualified technician service the equipment instead. Maintenance and Lubrication Schedule Note: This maintenance schedule is a general guide only. If performance decreases or if equipment operates unusually, check systems immediately. The maintenance needs of each engine will differ depending on factors such as duty cycle, temperature, air quality, fuel quality, and other factors. Note: The following procedures are in addition to the regular checks and maintenance explained as part of the regular operation of the engine and equipment. Procedure 1. Brush off outside of engine 2. Check and tighten all hardware 3. Check engine oil level and deposit cup Clean/replace air cleaner Change engine oil Before Each Use Every 2 weeks or 10 hr. of use * Check and clean spark plug 1. Check/adjust idle speed and valve clearance 2. Clean fuel tank, strainer and carburetor 3. Clean carbon build-up from combustion chamber Check/replace fuel line *Service more frequently when used in dusty areas. **These items should be serviced by a qualified technician. Monthly or 20 hr. of use Every 6 mo. or Yearly or Every 100 hr. of use 300 hr. of use 2 Years ** ** ** Operation Maintenance Page 12 For engine technical questions, please call 1-800-520-0882. For other technical questions, please call 1-800-444-3353. Item 69738