Operator`s manual

TITLE 633GC / 633F4 OPERATOR’S MANUAL

AIR FILTER

The air filter is made from a nylon micro mesh air filter and an

internal spit-back screen. Both must be kept clean for the engine

to operate properly. If the saw is not reaching full RPM, most

likely one or both of the air filters are dirty.

IMPORTANT

• Theairfilter(Figure1)shouldbefreeofholesandwhitein

color.

• Replaceairfilterwhendirty.

• Thespit-backscreen(Figure2)shouldbefreeofholesandbe

white in color. Clean with mild solvent or gasoline and dry with

highpressureair.Ifspit-backscreenisdirtythesawwillnot

reachfullRPM.

• Duringre-assembly,tightenairfilterwing-nut"fingertight"plus

an 1/8" of a turn with wrench.

STARTER HOUSING ASSEMBLY

It is common for concrete slurry to get inside the starter housing

assembly during cutting. This can cause the starter pawls to stick

and not engage when the rope is pulled.

IMPORTANT

• Aftereachusage,thoroughlyflushthestarterhousing

assembly with water.

• Oiltherecoilspringbysprayinglightweightoilintotheport

(Figure3).

• Oilthestarterpawlsbysprayinglightweightoilintothestarter

housing through the vents.

• Checkthestartercordforfraying,replaceifnecessary.

Figure 1

Figure 3

Figure 2

MAINTENANCE

Oil port