Textron JACOBSEN GP400, Technical/Repair Manual

Page: 51 / 354

ENGINE
4252490-Rev A 3-21
3
Fuel Filter (Gasoline)
Removal and Installation
See Figure 3-37.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Allow the engine to cool completely.
Figure 3-37
3. Loosen hose clamps (2 and 5).
4. Tag and disconnect fuel tank-to-fuel filter hose (1)
from the fuel filter (4). Cap fitting and plug hose to
prevent leakage and contamination.
5. Tag and disconnect fuel filter-to-fuel pump hose (3)
from the fuel filter (4). Cap fitting and plug hose to
prevent leakage and contamination.
Installation Notes
• Install fuel filter by reversing the order of removal.
• Make sure the flow arrow on the side of the fuel filter
is aligned with the fuel tank-to-fuel pump flow
direction.
Engine (Gasoline)
Removal and Installation
See Figure 3-38.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Allow the engine to cool completely.
3. Tag and disconnect the negative (–) battery cable.
4. Remove fuel tank. (See “Fuel Tank (Gasoline)” on
page 9-9.)
5. Remove fuel tank support pan. (See “Fuel Tank
Support Pan” on page 9-10.)
6. Remove muffler assembly. (See “Muffler Assembly
(Gasoline)” on page 3-19.)
7. Remove traction pump. (See “Traction Pump and
Control” on page 5-50.)
8. Disconnect the throttle cable at the engine. (See
“Throttle Cable (Gasoline)” on page 3-20.)
9. Disconnect the choke cable at the engine. (See
“Choke Cable (Gasoline)” on page 3-20.)
NOTE
Label all wires and hoses before disconnecting to ensure
correct installation.
10. Tag and disconnect the wiring harnesses at the
engine, ignition modules, carb solenoid, starter
motor, starter solenoid, and engine oil pressure
switch.
11. Tag and disconnect fuel lines at the engine. Plug
lines and cap fittings to prevent leakage and
contamination.
!
WARNING
Figure 3-38
TN3989
4
5
2
3
1
Prevent personal injury. Use a properly rated
lifting device. Always be sure the load is
balanced before lifting.
TN3982
1
5
3
2
4