Operating Guide

Maintenance
30 Owner’s Manual for 60 Hz Air-Cooled Generators
6. See Figure 4-7 or Figure 4-8. Verify valve clear-
ance between each rocker arm (E) and valve stem
(F) with a feeler gauge.
.
Figure 4-7. Valve Clearance Adjustment (10 kW)
Figure 4-8. Valve Clearance Adjustment (20–24 kW)
7. Install replacement valve cover gasket(s).
8. Install valve cover(s). Tighten fasteners in a cross
pattern, tightening to:
Adjusting Valve Clearance
IMPORTANT NOTE: Valve lash not required on 14 or
18 kW units with 816cc engine. See Engine.
See Figure 4-7 or Figure 4-8. Proceed as follows to ad-
just valve clearance:
NOTE: Allow engine to cool before adjusting valve clear-
ance.
1. Remove spark plug wire(s) and position spark plug
wire(s) away from spark plug(s).
2. Remove spark plug(s).
3. Remove the four screws attaching valve cover.
Remove and discard gasket.
4. Verify piston is at TDC of its compression stroke
(both valves closed).
5. Loosen rocker jam nut (C) using a 10 mm wrench
(10 kW units) or 13 mm wrench (20–24 kW units).
6. Turn pivot ball stud (D) using a 14 mm wrench (10
kW units), or 10 mm hex key (20–24 kW units)
while inspecting clearance between rocker arm (E)
and valve stem (F) with a feeler gauge. Adjust
clearance as per Engine.
NOTE: Hold rocker jam nut in place as pivot ball stud is
turned.
7. When valve clearance is correct, hold pivot ball
stud in place with a wrench and tighten rocker arm
jam nut. Tighten jam nut according to:
8. Inspect valve clearance to verify it did not change.
9. Install new valve cover gasket.
10. Install valve cover. Tighten fasteners in a cross pat-
tern. Tighten to:
NOTE: Start all four screws before tightening, or it will
not be possible to get all screws in place. Verify valve
cover gasket is in place.
11. Install spark plug(s) and tighten to 18 ft-lbs (25
Nm).
12. Attach spark plug wire(s) to spark plug(s).
13. Repeat process for other cylinder if equipped.
Battery Maintenance
10 kW 80 in-lbs (9.0 Nm)
20–24 kW 60 in-lbs (6.8 Nm)
001812
C
D
F
E
002380
002380
F
C
E
D
WARNING
(000560)
Risk of Burn. Allow the engine to cool before
performing the following procedure. Failure
to do so could result in serious injury.
10 kW 53 in-lbs (6.0 Nm)
20–24 kW 174 in-lbs (19.68 Nm)
10 kW 80 in-lbs (9.0 Nm)
20–24 kW 60 in-lbs (6.8 Nm)
(000188)
DANGER
Electrocution. Do not wear jewelry while
working on this equipment. Doing so will
result in death or serious injury.
(000162)
Explosion. Do not dispose of batteries in a fire.
Batteries are explosive. Electrolyte solution can cause
burns and blindness. If electrolyte contacts skin or eyes,
flush with water and seek immediate medical attention.
WARNING