Install Oil Seal - Pto - Horizontal Crankshaft Models - Briggs & Stratton Twin Cylinder L-Head Repair Manual

Install DU PTO Bearing – Horizontal
Crankshaft Models
NOTE: Engine models 400440, 402440 404440
and 422440 have a full pressure lubrica-
tion system. Engines manufactured before
date code 89730000 were equipped with
DU bearings with a machined oil reservoir,
Fig. 11. Refer to illustrated parts list for
correct bearing number by model and date
code.
Place sump on cylinder support, Tool #19227, with
1-5/8" (41.0 mm) opening toward bearing to be
installed. Place DU bearing on counterbored bearing,
aligning oil hole in DU bearing with oil hole in
crankcase cover. Insert bearing driver, Tool #19226,
into DU bearing and press in until edge of DU bearing is
1/8" (3.0 mm) below thrust face, Fig. 12.
NOTE: Be sure oil hole in DU bearing is aligned
with oil hole in bearing.
To prevent bearing from turning, stake from both sides
with 1/4" round pin punch, Fig. 13.
Install Oil Seal – PTO – Horizontal
Crankshaft Models
Install oil seal with the sealing lip facing the inside of the
engine. Use cylinder support, Tool #19227, and press
in new oil seal until 1/16" (1.6 mm) below boss on
crankcase cover.
Always install new oil seals whenever engine is
disassembled for major servicing or when repairing or
replacing bearings. Always use the correct seal
protector to prevent damaging oil seal.
6
10
OIL
RESERVOIR
Fig. 11 – Pressure Lube DU Bearing
1/8"
(3.0 mm)
THRUST FACE
#19226
Fig. 12 – Press PTO Bearing
STAKE BOTH SIDES
Fig. 13 – Staking Bearing
DU BEARING
OIL HOLE
#19227