Toro 74246TE - Cooling System Maintenance; Cleaning the Engine Screen and the Oil Cooler; Cleaning the Engine Fins; Brake Maintenance

Figure 49
1. Spring Washers
3. Dust Cap
2. Lock Nut
4. Tighten the loc kn ut until the spring w ashers
are flat and then bac k off a 1/4 tur n to properly
set the pre-load on the bearings ( Figure 49 ).
Important: Mak e sur e spring w asher s
ar e installed cor r ectl y as sho wn in
Figur e 49 .
5. Install the dust cap ( Figure 49 ).
Cooling System
Maintenance
Cleaning the Engine Screen
and the Oil Cooler
Before eac h use , c hec k and clean engine screen
and oil cooler . R emo v e any build-up of g rass , dir t
or other debris from the oil cooler screen and
engine screen ( Figure 50 and Figure 51 ).
Figure 50
1. Engine screen
2. Oil cooler
Cleaning the Engine Fins
Ev er y 100 hours clean the engine cylinder and
cylinder head cooling fins . Also clean around
carburetor , g o v er nor lev ers and linkag e . T his will
mak e sure adequate cooling to h y draulic pumps ,
motors and engine and will reduce the possibility
of o v erheating and mec hanical damag e .
1. R emo v e the engine shroud.
2. Clean the engine cooling fins .
3. Install the engine shroud.
Figure 51
1. Panel
3. Screws
2. Engine shroud
Brake Maintenance
Adjusting the Parking Brake
Chec k the parking brak e for proper adjustment.
1. Diseng ag e brak e lev er (lev er do wn).
2. Measure the length of the spring .
T he measurement should be 2-3/4 inc h (70
mm) betw een w ashers ( Figure 52 ).
41