Ransomes Mastiff 91, Safety, Operation & Maintenance Manual, Page: 35 / 100

SAFETY, OPERATORS & MAINTENANCE MANUAL
GB-35
8 MAINTENANCE &
LUBRICATION
10 mm
C
B
A
8.3.5 CLEAN FUEL FILTER ELEMENT
EVERY 100 WORKING HOURS
(a) Close the fuel tap (A) (handle horizontal).
(b) Unscrew and remove the bowl (B).
(c) Clean out the filter bowl thoroughly to
remove all sediment and water.
(d) Clean filter screen (C).
(d) Replace Screen & bowl with sealing ring.
Open fuel tap and check for leaks.
8.3.6 SPARK PLUG
Remove spark plug and check condition. Good
operating conditions are indicated if the plug has a
light coating of grey or tan deposit. A white blistered
coating could indicate overheating. A black
(carbon) coating may indicate an over rich fuel
mixture or incorrect carburettor adjustment.
Do not sand blast, wire brush or otherwise service a
plug in poor condition. Best results are obtained
with a new plug. The plug gap should be set at
0.76mm. Adjust the gap if necessary
8.3.7 ENGINE MAINTENANCE
REFER TO BRIGGS & STRATTON ENGINE
OWNERS HANDBOOK FOR THE REQUIRED
ENGINE MAINTENANCE DETAILS AND
SCHEDULE.
Engine maintenance must be carried out as
instructed in the Briggs & Stratton engine handbook
Copyright Briggs & Stratton Corp. Used with Permission.