Carburetor Types; Carburetor Removal; Horizontal Shaft; Vertical Shaft Carburetor - Generac Power Systems GTH760 Service Manual

CArbureTor TYPeS

All Generac OHVI V-Twin engines utilize a two-barrel
type carburetor.
CArbureTor reMovAl - verTICAl SHAFT
1. Unclip choke link from bellcrank and remove link
from carburetor.
2. Disconnect fuel-shutoff solenoid by unbolting the ground
wire from the manifold and unplugging the power wire.
On some models, both wires unplug from the solenoid.
3. Disconnect breather tube.
4. Separate throttle link balljoint from carburetor by rotating
the ball socket.
5. Disconnect the fuel line clamp and the fuel line.
Figure 3-1. Vertical Shaft Carburetor
Figure 3-2. Vertical Shaft Carburetor

SeCTIoN 3: CArbureTIoN ANd Fuel SYSTeM

6. Remove the four nuts holding the carburetor and plenum
to the intake manifold (see Figure 3-6).
7. Remove the plenum, carburetor and gaskets from the
manifold and discard the gaskets.
CArbureTor reMovAl – HorIzoNTAl SHAFT
1. Remove air cleaner cover and air cleaner.
2. unthread yellow plastic knob from Summer/Winter intake
control (if equipped)
3. Remove dipstick tube hold down bolt and remove tube
assembly (see Figure 3-3).
4. Remove the four nuts and one bolt that retains the air
cleaner base; remove base (see Figure 3-3).
5. Remove fuel line clamp and fuel line from top of
carburetor.
4 NUTS
BOLT
Figure 3-3. Horizontal Shaft Carburetor
THROTTLE
LINK
Figure 3-4. Horizontal Shaft Carburetor
3-1
DIPSTICK TUBE &
HOLD DOWN
3