Stopping The Unit; Emergency Stop Switch; Automatic Shutdown; Remote/Auto Starting Option - Generac Power Systems MAGNUM MTP4SZ Owner's Manual

Operation

Stopping The Unit

Allow the engine to idle briefly before switching the Key
switch to the OFF position.

Emergency Stop Switch

The unit is equipped with one emergency stop switch. For
location of the emergency stop switch, refer to
Locations. The red
"EMERGENCY STOP."
Activate the emergency stop switch by pushing the button
in until it locks down. This opens the fuel circuit, shutting
down the engine. The switch will remain locked until it is
pulled out.
Figure 3-53. Emergency Stop Switch
CAUTION
Equipment Damage. The emergency stop switch
is not to be used to power down the unit under
normal operating circumstances. Doing so will
result in equipment damage.

Automatic Shutdown

The unit is equipped with a low oil pressure and a high
temperature automatic shutdown system. This system will
automatically shut off the fuel supply to stop the engine if
oil pressure drops too low or the engine exceeds normal
operating temperature. Return the key switch to the OFF
position to reset the controller; restart the engine after you
have determined the cause of the shutdown. Refer to
Engine Fault Shutdown Troubleshooting
information.

Remote/Auto Starting Option

The unit can be configured to start automatically by adding
dry-contact closure float level switches.

Towing the Unit

Use the jack to raise or lower the trailer onto the
1.
hitch of the towing vehicle. Lock the hitch coupling
38
Component
button is clearly labeled
002393
(000246)
for more
and attach the safety chains or cables to the
vehicle. Raise the jack foot completely.
Raise the rear leveling jacks to the travel position.
2.
Turn the jack handles counterclockwise until the
leveling feet are fully retracted.
Connect any trailer wiring to the tow vehicle. Check
3.
for proper operation of the directional and brake
lights.
Verify all doors and flip hood are properly latched.
4.
Check for proper inflation of the trailer tires. The
5.
maximum tire pressures is 65 PSI.
Check the wheel lugs. Tighten or replace any that
6.
are loose or missing. If a tire has been removed for
axle service or replaced, tighten the lugs in the
order shown to the following specifications:
Figure 3-54. Lug Sequence
a. Start all lug nuts by hand.
b. First pass tighten to 20-25 ft-lbs (27-33 Nm).
c. Second pass tighten to 50-60 ft-lbs (67-81 Nm).
d. Third pass tighten to 90-120 ft-lbs (122-162 Nm).
NOTE: After the first road use, tighten the lug nuts to the
specified torque value.
Maximum recommended speed for highway towing
7.
is 45 mph (72 km/h). Recommended off-road
towing speed is not to exceed 10 mph (16 km/h) or
less, depending on terrain.
Owner's Manual for Wet-Prime Trash Pumps
002394