Toro Groundsmaster 5900 Series Service Manual page 83

Exhaust System Removal (continued)
Exhaust System Installation
Groundsmaster ® 5900 & 5910
16227SL Rev B
1. Park machine on a level surface, lower cutting decks, stop engine and
remove key from the key switch.
2. Raise the hood and remove side panel from left side of machine to gain
access to exhaust system. Allow engine and exhaust to cool before doing
any disassembly of exhaust system components.
g287550
1. DOC assembly
2. DPF assembly
3. Exhaust gasket
4. Exhaust pipe
5. Flat washer (4)
3. Remove exhaust system components from the engine as necessary
17 and Figure 18). Discard all gaskets removed.
4. If exhaust opening is to be left open for any length of time, cover opening
to prevent any material from falling into opening.
Note: Make sure that all exhaust system flanges and sealing surfaces are free
of debris or damage that may prevent a tight seal.
1. Remove any cover or plug that were placed during removal to prevent
contamination entry.
2. Make sure to install new gaskets in place of all gaskets that were removed.
Do not use any type of gasket sealant on gasket or flange surfaces.
3. Assemble all removed exhaust system components
18).
A. If exhaust temperature sensors
tighten sensors from 25 to 40 N·m (19 to 29 ft−lb).
B. If exhaust pressure pipes
replace sensor gaskets (item 30) on both sides of the pressure pipe
fitting. Tighten banjo bolts from 45 to 55 N·m (33 to 40 ft−lb).
1
2
7
Figure 18
6. Lock nut (4)
7. Support bracket
8. Flange nut
9. Flange head screw (2)
(Figure 17
(Figure 17 items 28 and 29) were removed,
Page 4–15 Yanmar Diesel Engine: Service and Repairs
3
4
5
6
9
8
(Figure 17 and
items 5 and 6) were removed,
(Figure
Figure