Generac 86640 User Manual download pdf (Page 30)

Section 2.2- TIMING BELT

Timing Belt Precautions

Comply with the following precautions when removing,

Installing or inspecting the timing belt:

D Make sure the timing belt, pullies and belt tensioner are

free of oil and water.

□ Prior to installing the timing belt, make sure that No. 1

cylinder is at top dead center (TDC) of its compression

stroke.

D Align the arrow on the timing belt in the direction of

engine rotation.

G Remove all spark plugs before adjusting timing belt

tension.

□ Once the timing belt has been removed, DO NOT rotate

the crankshaft and camshaft separately, or the valves

will strike the piston heads.

Q Do NOT bend or twist the timing belt too tightly.

Timing Beit Removai

1. Drain the radiator.

2. Remove the radiator, fan guard and fan. See Part 4,

“ENGINE COOLING SYSTEM".

3. Remove tension from the drive belt, then remove the drive

belt.

4. Remove the crankshaft pulley.

5. Set No. 1 cylinder at top dead center (TDC) of its compres

sion stroke. Then, remove upper and lower dust covers and

gaskets.

6. Loosen timing belt tensioner and return spring, then re

move timing belt.

Timing Beit Inspection

BELT IS BROKEN;

Caused by improper han

dling, poor belt cover sealing,

coolant leakage at water

pump.

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 119 120

No comments

Generac 86640 User Manual Page 30