Splash Lube; Horizontal Crankshaft Models - Oil Dipper; Install Oil Dipper - Briggs & Stratton Twin Cylinder L-Head Repair Manual

Install breather tubes on filtered side of air cleaner element, Fig. 17. If breather tubes are incorrectly installed,
premature engine wear will result.
1 breather tube hole
Horizontal Crankshaft
After Code 91080000

SPLASH LUBE

Horizontal Crankshaft Models – Oil Dipper
In a splash lubrication system, the oil dipper is attached to the connecting rod. On every crankshaft revolution, the
dipper dips into the oil reservoir in the engine sump splashing oil on the internal moving parts.
Special Notes For Horizontal Crankshaft
Splash Lube Engines:
Engines with a Top-No-Load speed above 2400
RPM: Install only one oil dipper on #1 connecting rod,
Fig. 18. Use ONLY dipper part #222480. Engine
models 421000 and 422400 manufactured before
code date 92072000 were not originally equipped with
this dipper. It is recommended that the oil dipper be
replaced with dipper part # 222480 in all 421400 and
422400 engines at the time of major servicing or
overhaul. When installing dipper part #222480 in these
engines, the oil trough must be removed (if so
equipped).
Engines with a Top-No-Load speed below 2400
RPM: Engines with a Top No Load speed below 2400
RPM require 2 oil dippers. Install ONLY oil dipper Part
#222480 on # 1 connecting rod. Install ONLY dipper
Part #223053 on #2 connecting rod, Fig. 18.

Install Oil Dipper

Oil dipper is installed as shown in Fig. 18 or Fig. 19.
Refer to Service Engine Sales Manual Microfiche,
MS-6225 or the Service Sales Manual, MS-4052 for
Top-No-Load RPM by engine model and type number.
NOTE: Engines equipped with Oil Gard use
only one oil dipper part #222480; attached
to #1 connecting rod.
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2 breather tube holes
Horizontal Crankshaft
Before Code 91080000
Fig. 17 – Breather Tube Installation
ENGINES WITH TOP-NO-LOAD SPEED BELOW 2400 RPM
ENGINES WITH TOP-NO-LOAD SPEED ABOVE 2400 RPM
Vertical Crankshaft
Fig. 18 – Dipper Location
Fig. 19 – Dipper Location
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