Toro Groundsmaster 7210 Service Manual page 44

Removing the Exhaust System (continued)
Installing the Exhaust System
Diesel Engine: Service and Repairs
2. Unlatch the hood and raise it.
3. Remove the exhaust tube as shown in
Note: The exhaust system DPF and DOC can be removed from the exhaust
system without removing the entire exhaust from the engine. Refer to the
Yanmar Service Manual for complete disassembly and assembly procedures.
4. Disconnect all the electrical connectors from the DPF.
5. Remove the 2 nuts (item 44 in
6. Remove the 4 nuts (item 45 in
manifold.
7. Remove the 2 bolts (item 43 in
the DPF stay.
8. Remove the DPF from the engine.
9. Remove and discard the gasket (item 1 in
Note: Ensure that all of the sealing surfaces of the exhaust system are free of
unwanted material or damage that can prevent a tight seal.
1. Install new gasket on the exhaust manifold (item 46 in
2. Position the DPF on the engine.
Note: Finger tight all the fasteners to avoid stressing of exhaust system
components and finally tighten the fasteners in order of exhaust system
flow i.e. manifold or header to block, tube to muffler, muffler to DOC, DOC
to exhaust tube.
3. Install the 2 nuts (item 44 in
torque the nuts to 11 to 21 N·m (8 to 15 ft-lb).
4. Install the 4 nuts (item 45 in
manifold; torque the nuts to 11 to 21 N·m (8 to 15 ft-lb).
5. Install the 2 bolts (item 43 in
stay; torque the bolts to 21 to 31 N·m (15 to 23 ft-lb).
6. Connect all the electrical connectors to the DPF.
7. Assemble all the exhaust system components that were removed as follows:
A. If the exhaust temperature sensors (items 7 and 8 in
removed, tighten the sensors to 25 to 40 N·m (19 to 29 ft-lb).
B. If the sensor pipe assemblies (items 25 and 26 in
removed, replace the sensor gaskets on both sides of the sensor pipe
assemblies. Tighten the pipe joint bolts to 45 to 55 N·m (33 to 40 ft-lb).
C. If the DPF stiffeners (items 16, 17, 18, and 19 in
or removed, tighten the fasteners that secure the stiffeners to 21 to 31
N·m (15 to 23 ft-lb) before you tighten the fasteners that secure the
exhaust system to the DPF stays.
8. Install the exhaust tube as shown in
9. Lower the hood and secure it with the latches.
Figure
Figure 10) that attach the DPF to the DPF stay.
Figure 10) that attach the DPF to the exhaust
Figure 10) that attach the DPF stiffener to
Figure
Figure 10) to attach the DPF to the DPF stay;
Figure 10) to attach the DPF to the exhaust
Figure 10) to attach the DPF stiffener to the DPF
Figure
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11.
10).
Figure 10).
Figure 10) were
Figure 10) were
Figure 10) were loosened
11.
Groundsmaster 7210
16222SL Rev C