John Deere stx38 - Manual (Page 61)

4/23/97
3 - 29
ENGINE FUEL AND AIR SYSTEM REPAIR
AIR INTAKE SYSTEM COMPONENTS
IMPORTANT: Grommet must be in place to prevent
dirt ingestion. Late model tractors have outer
foam air filter element (pre-cleaner) and a different
cover and base design.
Knob
Cover
Wing Nut
Washer
Grommet
Paper
Stud
Remove studs to
remove carburetor
Stud Retaining Screw
Use Thread-Lock
and Sealer
Air Cleaner
Nut
Tighten to
Washer
Used on stud without
electrical eyelet of
grounding lead
10 N•m (88 lb-in.)
Sleeve
Gasket
Stud
Gasket
Shield
Gasket
M55326
Foam
Housing
Element
Element
REMOVE AND INSTALL
CARBURETOR .
1. Turn key switch OFF and disconnect battery
negative (-) ground cable.
2. Pinch fuel line (B) to block fuel flow or turn fuel shut-
off valve (if equipped) to OFF position, then
disconnect fuel line and solenoid wire (D) (if
optional fuel shut-off solenoid is installed).
3. Remove air filter assembly (not shown) and
carburetor, DO NOT damage threads of studs (C).
4. Disconnect linkage rods (A) from carburetor levers.
5. Remove and discard gaskets (E), install new ones.
6. Connect linkage rods (A) and install carburetor,
studs (C), and air filter assembly.
7. Connect solenoid wire (D) (if installed), and fuel line
(B)—open fuel line or turn fuel shut-off valve ( if
installed) to ON position.
8. Adjust carburetor, see Test and Adjustments earlier
in this section.
Specification:
Air Filter Assembly Nuts . . . . . . . 10 N•m (88 lb-in.)
M55908
D
B
A
C
E
c
CAUTION
Gasoline is explosive. Do not expose to flame or
spark. Serious injury can result.