Gas Walk Behind Mower — service parts and specifications. Also written 247370320.
Spark plug — Replace annually or every 100 operating hours. Cross-reference equivalents from other brands usually fit.
Spark plug gap — Set with a feeler gauge before installing. A wrong gap causes hard starting and rough running.
Engine oil — Grade depends on operating temperature, not on the machine. Several grades listed below are all correct — pick by season.
| Item | Value | Context | Page |
|---|---|---|---|
| Spark plug | J19LM | NS Horsepower: Engine Oil Fuel Capacity: Spark Plug 5.5 H. P. 27 oz. SAE 30 oil 1.5 quarts J19LM Gap .030 inches , Please record model number, serial … | 2 |
| Spark plug gap | .030 | … Engine Oil Fuel Capacity: Spark Plug 5.5 H. P. 27 oz. SAE 30 oil 1.5 quarts J19LM Gap .030 inches , Please record model number, serial number, and … | 2 |
| Engine oil | SAE 30 | … PRODUCT SPECIFICATIONS Horsepower: Engine Oil Fuel Capacity: Spark Plug 5.5 H. P. 27 oz. SAE 30 oil 1.5 quarts J19LM Gap .030 inches , Please … | 2 |
| Engine oil | 5W30 | … your expected operating temperature. Follow the chart below. Colder _ll-- 32°F _ Warmer 5W30 I SAE 3O Oil Viscosity Grade Chart Use SAE30 oil; do … | 10 |
| Engine oil | SAE30 | … the chart below. Colder _ll-- 32°F _ Warmer 5W30 I SAE 3O Oil Viscosity Grade Chart Use SAE30 oil; do not use 10W40 oil. Fill oil sump and check … | 10 |