Briggs & Stratton 7800921-00 Lawn Mower User Manual


 
Not for
Reproduction
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Maintenance
WARNING
DO NOT attempt any adjustments, maintenance, service or
repairs with the engine running. STOP engine. STOP blade.
Engage parking brake. Remove key. Remove spark plug
wire from spark plug and secure away from plug. Engine
and components are HOT. Avoid serious burns, allow all
parts to cool before working on machine.
!
!
How To Lubricate - Grease Fittings
The following components on the unit are equipped with
grease fittings and require periodic lubrication. Apply General
Purpose grease (NLGI No.2) with a grease gun.
Front Wheel Bearing
Lubricate the front wheel grease fittings (A, Figure 29) with
five shots of general purpose grease, from a grease gun.
Figure 29: Front wheel grease fitting
A
Shift Lever (Manual Drive Models)
Lubricate the shift lever grease fitting (A, Figure 30) with two
shots of general purpose grease from a grease gun.
Figure 30: Shift lever grease fitting
(components removed for clarity)
A
Rear Axle Bearing (Manual Drive Models)
1. The grease fitting (A, Figure 31) on the left rear axle
bearing requires three shots of general purpose grease
from grease gun.
2. The right rear axle bearing is lubricated by the
differential lubricant and requires no grease.
Figure 31: Rear axle grease fitting (view from under unit)
A
How To Lubricate - Differential / Chain
Case (Manual Drive Models)
Lubrication of the differential and chain case should be per-
formed by an authorized dealer.
How To Lubricate – Mower Blade Spindle
The mower blade spindles used on these units are equipped
with sealed spindle bearings, which do not require lubrica-
tion.
How To Lubricate - Mower Deck Linkage
Lubricate all mower deck linkage pivot points with a light coat
of motor oil.
Miscellaneous Items
In addition to regular maintenance, the following
components should be carefully inspected regularly for wear
or damage.
1. All bushings and pivot areas.
2. Check both front wheel king pins.
3. Transmission shift lever and detent. (Manual drive mod-
els)
4. Clutch disc. (Manual drive models)
5. Clutch yoke. (Manual drive models)
6. Mower deck linkage and pivot areas.
Replace worn or damaged parts. Use only factory authorized
replacement parts or equivalent when making repairs.