Multiquip HS62A - Manual (Page 25)

HS62A CUT-OFF SAW — OPERATION & PARTS MANUAL — REV. #1 (07/26/10) — PAGE 25
HS62A CUT-OFF SAW — MAINTENANCE (AIR/FUEL FILTER)
Figure 25. Fuel Filter
Air/Fuel Filter Maintenance Procedures
Check the fuel filter  located inside the fuel tank periodically
for dirt/debris build up. It is recommended to change the fuel filter
every
50 tanks of fuel .
This engine is a 2-stroke gasoline engine requiring a specific
fuel to oil mixture of 25:1(4%). It is recommended to use an
unleaded gasoline rated at 92 octane (
premium) with an oil for
use on 2-stroke engines only. See Figure 13.
Figure 26. Pre-Filter
It is highly recommended to keep a supply of spare pre-filters
on hand. Maintaining the foam pre -filter , and regular exchanges
will prolong the life of the main filter element .
Every 8 hours of operation , remove the pre-air cleaner cover

and wash the foam pre-cleaner

in warm fresh soapy
water. Let dry thoroughly. When dry, completely coat the filter
with only an approved
foam filter oil .
Figure 27. Main Filter Element
Every 8 hours of operation , remove the covers

and

and inspect the main filter element . Clean the main filter
element  by vigorously shaking out and dusting off with a
soft brush. DO NOT air blast clean this element with compressed
gas.
The main filter element should be replaced after three pre filter
changes
Figure 28. Supplementary Filter
Every 8 hours of operation, inspect the supplementary filter
element

. Clean the supplementary filter element

by
vigorously shaking out and dusting off with a soft brush. DO
NOT air blast clean this element with compressed gas.
The supplementary filter element should be replaced after
three pre filter changes .