Breather System (16140 0) - Briggs & Stratton Vanguard 05000 Manual

2. Remove breather cover ([A] Fig. 24) from
top of cylinder.
NOTE:
Fiber disc valve cannot be checked with
gauge.
3. Replace the valve if it is warped, worn or
damaged.
4. Install disc valve on seat ([B] Fig. 25).
3
5. Install gasket, cover, and screws. Torque
screws to listed value. SEE SECTION 14-
ENGINE SPECIFICATIONS.
NOTE:
Breathers are vented into the air cleaner
base or intake manifol d to prevent dirt from
entering the cyl inder. Be sure vent tube is no t
damaged and that it seals properly.
Inspect breather tube ([A] Fig. 26) for cracks,
holes, and hardening.
68
Fig. 25
Fig. 26
Breather System
(161400)
1. Remove four screws that hold valve cover
(A) and gaske t (B).
2. Remove valve cover. Breather assembly
(C) and gaske t ([D] Fig. 27) will come off
with valve cover.
Fig. 27
3. Separate valve cover from breather
assembly.
4. Replace the breather if the fiber disc valve
is stu ck or binding.
0.045 in. (1.14 MM.)
gauge ([A] Fig. 28) should not enter the
space between the fiber disc valve and
body. Do not force the gauge.
Fig. 28
To install breather assembly:
1. Install gasket (D), breather assembly (C),
gasket (B), and valve cover ([ A] Fig. 27)
to cylinder head.
2. Push breather tube on to nipple of air
cleaner base.
wire