Toro Groundsmaster 3280-D Service Manual page 461

Removing the Heater Core (continued)
Installing the Heater Core
Groundsmaster ® 3280-D/3320
05138SL Rev B
4. Remove the mixing box cover 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.
5. Remove the 7 tap screws (item 7 in
bracket cover to the mount bracket. Lift the cover and position it away from
the mount bracket.
6. Carefully lift the heater core from the mount bracket.
7. Inspect the gaskets and insulation in the mixing box assembly for tears or
other damage. Replace all the sealing components that were damaged.
1. Carefully install the heater core into the mount bracket in the mixing box.
2. Position the mount bracket cover to the mount bracket. Secure the cover to
the mount bracket with the 7 tap screws (item 7 in
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 cover and
into the hole in the mixing box. Press the pin into the rivet to secure
the rivet in place.
4. Use the labels that you attached during removal, connect both the heater
hoses to the tubes on the heater core, and secure the heater hoses with
the hose clamps.
5. Operate the heater system to ensure that there are no coolant leaks in the
headliner.
6. Secure the roof to the top of the cab; refer to
(page 11–4).
Figure
Page 11–11
313) that secure the mount
Figure 313).
Installing the Roof Assembly
Operator Cab: Service and Repairs