Breather System (28Q700) - Briggs & Stratton Vanguard 05000 Manual

2. Install new disc valve and retainer
3
assembly. Torque screws to listed value
SEE SECTION 14- ENGINE
SPECIFICATIONS.
3. Install cover ([A] Fig.
Torque screws to listed value.
Breather System
(28Q700)
NOTE:
There is a 0.120 in. (3.0 MM.) diameter
plastic plug installed in the elbow on the 28Q700
engine where the breather mounts. If it gets
plugged the oil will get sucked out of the engine.
Clean the plug any time there is service
performed in that area.
1. Remove breather tube from breather.
70
Fig. 32
33) with new gaske t.
Fig. 33
2. Remove two screws holding breather.
Remove breather and gasket and discard
gasket.
3. A 0.045 in. (1.14 MM.) wire gauge (A)
should not enter the space between the
fiber disc valve (B) and the body (C). The
breather holes ([D] Fig. 34) must be open.
4. Check as shown in. Fig.
.
Replace the breather if the fiber disc valve is
stuck or binding.
CAUTION:
The fiber disc valve is held in place
by an internal bracket that will distort if pressure
is applied to the valve. Do not apply force when
checking valve.
5. Place new breather gasket and breather
on cylinder. Gaskets do not require
sealant.
6. Install two screws. Torque screws to listed
value. SEE SECTION 14-ENGINE
SPECIFICATIONS.
Install breather tube to breather.
34.
Fig. 34