Cleaning; Lubrication Instructions; Cutting Blade - hecht 553 SW Original Instructions For Use

CLEANING

CAUTION: Do not hose engine. Water can damage engine or contaminate the fuel
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system.
1. Allow engine to cool at least a half hour before cleaning.
2. After use, clean the outside of the machine, empty the grass-catcher and shake it to remove
grass and other debris.
3. After each use, accurately clean the cutting deck to remove any grass remains or debris.
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clean under deck by tilting the mower so that the spark plug is up.
4. Wipe the surface of the machine and engine cover with dry cloth.
WARNING! Always empty the grass-catcher and do not leave containers full of cut
grass inside a room.
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Never use aggressive detergents or solvents for cleaning.

LUBRICATION INSTRUCTIONS

CAUTION: disconnect spark plug before servicing!
1. WHEELS
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2. ENGINE
3. BLADE cONTROL

CUTTING BLADE

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CAUTION: Be sure to disconnect and ground the spark plug wire before working
on the cutting blade to prevent accidental engine starting. Protect hands by using
heavy gloves or a rag to grasp the cutting blades.
Tip mower with the spark plug up (the handle down). Remove the hex bolt and washer which
hold the blade and blade adapter to the engine crankshaft. Remove the blade and adapter from
the crankshaft (fig. 20).
WARNING: Periodically inspect the blade adapter for cracks, especially if you strike
a foreign object. Replace when necessary and check the machine overall.
For best results your blade should be sharp. The blade may be resharpened by removing it and
either grinding or filing the cutting edge keeping as close to the original bevel as possible. It is
extremely important that each cutting edge receives an equal amount of grinding to prevent
an unbalanced blade. Improper blade balance will result in excessive vibration causing eventual
damage to the engine. The blade can be tested for balance for example by balancing it on
a round shaft screwdriver. Remove metal from the heavy side by grinding until it balances evenly.
Before reassembling the blade and the blade adapter to the mower, lubricate the engine
crankshaft and the inner surface of the blade adapter with light oil.
Place the blade with the part number facing away from the adapter. Align the washer over the
blade and insert the hex bolt. Tighten the hex bolt to the torque listed in the Specifications.
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Lubricate the ball bearings in each wheel at least once a season with
a light oil.
Follow engine manual for lubrication instructions.
Lubricate the pivot points on the blade control handle and the brake
cable at least once a season with light oil. The blade control must operate
freely in both directions.