Cleaning The Air-Conditioning-Condenser Coil; Storage; Preparing The Machine For Storage; Preparing The Engine - Toro Groundsmaster 5900 Operator's Manual

Cleaning the
Air-Conditioning-Condenser
Coil
Service Interval: Every 250 hours Clean it more
frequently in extremely dusty or dirty
conditions.
1. Perform the pre-maintenance procedure; refer
to Pre-Maintenance Safety (page
2. Disconnect the wire for each fan
Figure 150
Right Fan Shown
1. Fan
2. Wire
3. Remove the 2 knobs and remove the fan
assembly.
4. Open the 4 latches on the air-conditioning
assembly and remove the screen
Figure 151
1. Air-conditioning-condenser
coil
2. Latch
5. Remove the air filters
6. Clean the air-conditioning assembly.
7. Install the air filters, screen, and fan assembly
(Figure 149, Figure
8. Connect the wire for each fan
64).
(Figure 150).
3. Knob
(Figure 151).
3. Air-conditioning screen
(Figure 149).
150, and Figure 151).
(Figure 150).

Storage

Preparing the Machine for
Storage
Preparing the Traction Unit
1. Thoroughly clean the traction unit, mower decks,
and the engine.
Important:
near the Info Center or engine-control unit
(ECU), as this may cause damage.
2. Check the tire pressure; refer to
Tire Pressure (page
3. Check all fasteners for looseness; tighten as
necessary.
4. Grease or oil all grease fittings and pivot points
and wipe up any excess lubricant; refer to
Lubrication (page
5. Lightly sand and use touch-up paint on painted
areas that are scratched, chipped, or rusted,
g032323
and repair any dents in the metal body.
6. Service the battery and cables as follows:
A. Remove the battery terminals from the
battery posts.
B. Clean the battery, terminals, and posts with
a wire brush and baking-soda solution.
C. Coat the cable terminals and battery posts
with Grafo 112X skin-over grease (Toro Part
No. 505-47) or petroleum jelly to prevent
corrosion.
D. Slowly charge the battery every 60 days
for 24 hours to prevent lead sulfation of the
battery.

Preparing the Engine

1. Drain the engine oil from the oil pan and install
the drain plug.
2. Remove and install a new oil filter.
g032324
3. Fill engine with 10.4 L (11 US qt) of SAE 15W-40
CJ-4 motor oil.
4. Start the engine and run it at idle speed for
approximately 2 minutes.
5. Stop the engine.
6. Flush the fuel tank with fresh, clean fuel.
7. Secure all of the fuel-system fittings.
8. Thoroughly clean and service the air-cleaner
assembly.
95
Do not use high-pressure water
Checking the
37).
66).