46
BRIGGSandSTRATTON.COM
Figure 65
2. Using a dial caliper, measure the journal diameters
and cam lobes. Compare results to values listed in
Specifications. If wear exceeds the reject dimensions,
replace the camshaft.
Install Crankshaft and Camshaft
1. Lubricate the cylinder bearing/oil seal with engine oil.
2. Install intake and exhaust valve tappets.
3. Support both ends of the crankshaft, and carefully
install into the cylinder.
4. Assemble connecting rod assembly to crankshaft.
5. Install the timing gear to the crankshaft with timing
mark out.
6. Install camshaft, making sure tappets clear cam lobes.
Timing marks (
A
, Figure 66) must align.
7. Make sure the paddle on the governor shaft (
B
)
is rotated in line with the governor cup inside the
crankcase cover.
Figure 66
Install Crankcase Cover or Sump
1. Using a new gasket, install crankcase cover or sump
using seal protectors. Do not force cover or sump on
cylinder.
NOTE:
It may be necessary to rotate idler gear to mesh with
timing gear when installing cover.
2. Install screws in sequence shown (Figure 67).
NOTE:
The screw in position 4 was coated with sealant. If
sealant is missing, coat with a non-hardening sealant such as
Permatex® 2 or equivalent.
Figure 67
Check and Adjust Crankshaft End Play
When the crankcase cover or sump is installed with a
standard gasket, end play should match values listed in
Engine
Specifications
.
If end play is less than specified, remove cover or sump
and install an additional gasket. Do not use more than two
gaskets.
If end play is more than specified, remove cover or sump
and install a shim per the Illustrated Parts List, or replace the
cover or sump.
NOTE:
If using shims, install shim on PTO-end of crankshaft
(
A
, Figure 68).
Figure 68
2
1
3
4
5
6
Содержание 030430
Страница 20: ...20 BRIGGSandSTRATTON COM Generator Wiring Diagram ...
Страница 21: ...21 Generator Schematic ...
Страница 22: ...22 BRIGGSandSTRATTON COM Notes ...
Страница 58: ...58 BRIGGSandSTRATTON COM Main Unit ...
Страница 76: ......