tappet setting can be rechecked after testing
procedure. After final check, replace valve
chamber cover.
6-12. Cylinder and Crankcase Assembly
Note. These instructions apply to the engines on all
three model welding machines. The engines are disas-
sembled in a similar manner by referring to the appro-
priate illustration.
(1) Remove enclosure (para 6-16).
(2) Remove spark plugs and leads (para
3-35) .
(3) Remove magneto (para 3-33).
(4) Remove governor (para 3-28).
(5) Remove starter motor and solenoid
switch (para 3-34).
(6) Remove battery charging generator
(7) Remove water pump and fan assem-
bly (para 3-41).
(8) Remove plug and drain oil from oil
pan.
(9) Disconnect oil lines, remove cylinder
head bolts, and remove oil filter.
(10) Remove nut and washer securing
front motor mounts to support.
(11) Remove screws and washers securing
rear engine mount to adapter plate.
(12) Remove nuts and washers securing
generator frame to support.
(13) Remove engine and generator assem-
bly from skid.
(14) Refer to paragraph 6-13 and perform
the minimum steps necessary to enable removal
of screws (45, fig. 6-39) and clips (46) and
separate generator armature and supporting
disk (51) from engine flywheel.
(15) Remove nuts and lockwashers from
studs and remove water outlet elbow. Remove
adapter ring, thermostat, and gasket.
(16) Remove cylinder head screws and
washers and remove cylinder head and gasket.
(17) Remove nuts and washers and remove
(1) Remove valve chamber cover (para
manifold assembly and gasket. Do not remove
3-60) .
studs unless they are damaged.
(2) Using two end wrenches and feeler
(18) Remove capscrews and lockwashers
gauge adjust each tappet adjusting screw so
and remove fuel pump.
that slight drag is felt when 0.014-inch feeler
(19) Remove nuts and washers securing
gauge blade is withdrawn from between tappet
valve tappet chamber cover and remove cover
and push rod (para 3-61).
and gasket.
(3) Leave valve chamber cover off so that
