Service Manual
Refueling
LPG gas is stored in a 20 lb fork lift style tank. Acceptable
LP Gas mixtures should meet the specifications for Pro-
pane HD–5 of Gas Producers Association Standard
2140, or the specifications documented in California title
13 CCR 2292.6 or a mixture with a minimum of 90% pro-
pane by volume that can pass the ASTM D2713 test for
moisture content.
1. Park machine on a level surface, stop engine, en-
gage parking brake, and remove key from the ignition
switch.
2. Read Precautions for Working on Liquid Propane
G
as (LP) Fuel Systems carefully before proceeding fur-
ther.
3. Remove propane tank (Fig. 1) from vehicle as fol-
lows:
A. Close valve on the propane tank. Disconnect
hose quick connect fitting from the quick connect fit-
ting on the tank.
B. Remove lynch pin securing the tank to the tank
mount.
C. Lift front of the tank off the tank mount pin. Slide
tank forward releasing the rear flange from the clips,
and remove tank.
4. Remove protective cap from the filler valve and con-
nect filler hose.
5. Open valve at the end of the fill hose. Next open
main valve at the storage tank.
IMPORTANT:Fuel tank must be upright during re-
fueling. This allows the bleeder valve that is set at
t
he 80% filled position to operate properly during re-
fueling.
6. Open bleeder valve on the fuel tank. (Slight open-
ing of the valve is sufficient).
1
2
3
Figure 1
1. Propane tank
3. Lynch pin w/lanyard
2. Hose w/quick connect
WARNING
Never fill past the maximum safe level as indicated
by 20% liquid level gauge. DO NOT OVER–FILL.
7. Turn propane pump on. Start fuel transfer. (Be sure
all liquid valves are open before starting the pump).
8. When a white liquid stream of fuel appears from the
bleeder valve, close valve on the end of fill hose immedi�
ately. Close bleeder
valve on fuel tank hand tight (never
use pliers).
9. Shut Propane P
ump "OFF". Close main valve at the
storage tank. Disconnect all hoses and replace caps.
10. Install propane tank onto the vehicle as follows:
A. Position tank onto the tank mount by sliding the
rear flange of the tank under the clips and hole onto
the pin. Secure tank to the pin with lynch pin.
B. Connect hose quick connect fitting to the quick
connect fitting on the tank. Make sure fitting is tight
so the check valve in the hose is released. Open
valve on the fuel tank.
Starting Engine
1. Sit on operator’s seat and engage parking brake.
2. Disengage any attachments and return hand
throttle lever to OFF position (if so equipped).
3. Move shift lever to NEUTRAL and depress clutch
pedal.
4. Depress accelerator pedal slightly.
IMPORTANT:If the engine is cold, it may crank for 10
seconds before starting.
5. Turn ignition key to START.
6. If engine does not start after initial cranking, wait 30
to 60 seconds before cranking again.
Liquid Propane Conversion Kit Page 1
1 – 4
Rev. D
Workman 3000/4000 Series