Heater Core - Toro Groundsmaster 3280-D Service Manual

Removing the Mixing Box Assembly
Installing the Mixing Box Assembly
Operator Cab: Service and Repairs
1. Park the machine on a level surface, lower the cutting deck, shut off the
engine, set the parking brake, and remove the key from the key switch.
2. Remove the roof from the top of the cab to get access to the mixing box
assembly; refer to Removing the Roof Assembly (page
3. Remove the cover from the mixing box assembly as follows:
A. Carefully use a small prybar to raise the head of the pin in the center of
each rivet that secures the mixing box cover.
B. Lift the rivets from the cover and mixing box.
C. Remove the mixing box cover.
Note: If the heater core or blower fan need to be removed from the
mixing box, the box does not have to be removed from the cab headliner.
Refer to Heating Components (page 11–5)
for information on removing and installing these components.
4. Disconnect the electrical connectors from the mixing box wire harness.
5. Remove the mixing box components as shown in
g243014
1.

Heater core

1. Install all the mixing box components that were removed
Figure 312).
2. Ensure to connect the electrical connectors to the mixing box wire harness.
3. Secure the cover to the mixing box assembly as follows:
A. Position the mixing box cover to the mixing box. Ensure that the wire
harness is routed through recess in side of the mixing box.
B. With the rivet pin in a raised position, insert the rivets through the cover
and into the hole in the mixing box. Press the pin into the rivet to secure
the rivet in place.
Figure 312
2. Blower fan
Page 11–8
11–4).
or Blower Fan (page 11–12)
Figure 311 and Figure
3. Air diverter assembly
(Figure 311
Groundsmaster ® 3280-D/3320
05138SL Rev B
312.
and