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Part iv engine repair – Generac Power Systems TXP User Manual

Page 63

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PART IV

ENGINE REPAIR

Section Title

Page

8

COMPRESSION
Checking Compression....................................8.1
Remove/lnstall Cylinder Heads........................8.1

Remove Valves.............................................. ..8.2
Reface Valves and Seats.................................8.3
Check/Adjust Tappet Clearance.......................8.3
Install Valves.................................................... 8.3
Install Intake Valve and Stem Seal.................. 8.4
Install Exhaust Valve and Retainer.................. 8.4

Valve Guides.................................................... 8.5

9

CRANKSHAFT & CAMGEAR
Crankshaft Removal........................................ 9.1
Checking the Crankshaft..................................9.1
Checking the Camgear.....................................9.2

Install Crankshaft and Camgear.......................9.2

Crankcase Cover..............................................9.2
Crankshaft End Play.........................................9.2

10

PISTONS, PINS & RODS
Remove Piston & Connecting Rod — 10.1
Remove Connecting Rod...............................10.1
Check Piston................. ................................ 10.2
Check Rings............. ..................................... 10.2
Check Connecting Rod ................................. 10.2
Check Piston Pin................ ........................... 10.2
Assemble Piston and Connecting Rod 10.3

■ Assemble Rings to Piston..............................'.10.3

Install Piston and Connecting Rod ... 10.3

11

CYLINDERS
Inspection................................................... 11.1
Resizing......................................................... 11.1
Honing............................................................11.1
Cylinder Finish and Cleaner........................... 11.2

12

LUBRICATION
General ........................................................ 12.1
Oil

Recommendations................................ 12.1

Oil Fill and Dipstick.........................................12.1
Crankcase Breathers..................................... 12.1

Section Title

Page

Checking Breathers !...................................... 12.2

Installing Breathers......................................... 12.2

Oil Seal........................................................... 12.2
Oil Make-up System........................................12.3

13

IGNITION

General ...........................................................13.1
Operation ........................................................13.1
Spark Plugs.................................................... 13.1

14

STARTER MOTOR
General .... ...................................................... 14.1
Check Starter Motordrive............................... 14.1

Disassemble Starter Motor Drive . . . . . 14.1

Assemble Starter Motor Drive.........................14.2
Testing the Starter Motor Drive.......................14.2
Starter Motor Disassembly..............................14.2
Starter Motor Reassembly.............................. 14.3

15

CARBURETION
General .......................... ■ . . . —...................15.1
Air Cleaner Servicing....................

15.1

Carburetor Removal............... ........................15.2
Carburetor repair.............................................15.2

Float Valve Seat Replacement....................... 15.3

Checking Float Level...................................... 15.3
Carburetor Reassembly.................................. 15.4

Integral Fuel Pump..........................................15.4
Carburetor Adjustment....................................15.4

16

GOVERNOR
General ...........................................................16.1
Governor Lever and Shaft Removal... 16.1
Governor Shaft Installation............................. 16.2
Governor Gear Installation..............................16.2
Crankcase Cover Installation.......................... 16.3
Governor Shaft Adjustment.............................16.3

Adjusting Governed Idle..................................16.3

Top Governed Speed Adjustment — 16.3