Operation; Positioning The Versalift For Operation - Versalift VO-452-MHI Operator's Manual

This chapter provides operators and ground crew with
recommended aerial lift operating procedures,
descriptions and detailed operating information about
the controls at each control station. Operators and
ground crews are responsible for knowing and applying
this information to job site situations.
Only properly trained operators are qualified to operate
the Versalift aerial lift. Operator training shall include
complete instruction and understanding of the
manufacturer's manuals, employer's work rules, and
all related governmental regulations. Prior to operation
from the platform the machine must be operating
properly, must have been installed properly, inspected,
and maintained in accordance with the manufacturer's
instructions. All safety signs, guards, and covers must
be in place and in proper condition.
DANGER:
CARELESS OPERATOR SUBJECTS HIM/
HERSELF AND OTHERS TO DEATH OR SERIOUS
INJURY.
It is the responsibility of the operator and ground crew
to make certain that the identification, operation, and
instructional decals are not lost, damaged, or illegible.
If these conditions exist the decals must be replaced
before lift operation. Refer to the Decal Placement
illustration in Section 6 of this manual for decal location
and parts listing.
PRIOR TO OPERATING THE AERIAL LIFT,
REFER TO "DAILY VISUAL INSPECTION",
SECTION 6 OF THIS MANUAL. DAILY VISUAL
INSPECTION MUST BE PERFORMED
BEFORE OPERATING THE LIFT.
POSITIONING THE VERSALIFT FOR

OPERATION

This section describes proper positioning of the VO
aerial lift so that it will be as stable and useful as
possible. The information in this section includes
orientation of the truck at the work site, responsibilities
before leaving the truck cab, requirements after leaving
the truck cab, and engaging the outriggers.
ORIENTING THE TRUCK AT THE WORK SITE:
Be sure to park the truck on firm level ground. Do not
operate the unit on a slope greater than 5
in 12 feet) on units not equipped with outriggers. On
units with outriggers, aerial device must be leveled
VERSALIFT VO-452/455/460-MHI
OPERATION
AN UNTRAINED OR
o
(1 foot rise
within 2° of horizontal prior to operation. Refer to the
slope indicators provided on the chassis to show
whether the aerial device is positioned within limits
permitted. Slope reduces the vehicle's stability and
places additional stress on the lift and components.
Maintaining the correct tire pressure and engaging
the outriggers contribute to vehicle stability. If there
is any doubt about vehicle stability under any
condition, do not operate the lift.
DANGER:
LIFT ON A SLOPE GREATER THAN 5
PROPER STABILITY THE UNIT MAY TIP
RESULTING IN DEATH OR SERIOUS INJURY.
RESPONSIBILITIES BEFORE LEAVING THE
TRUCK CAB: Perform the following steps in preparing
to operate the aerial lift. It is assumed that the truck
engine is still running. If the lift is powered by an
auxiliary engine (optional power unit) it is not necessary
for the truck engine to remain running.
1. Set the parking brake and the brake lock (if
equipped).
2. Shift the truck transmission into neutral. This is
necessary because the truck engine must be
running for the lift to operate. Omit this step if an
auxiliary engine is used to power the lift
hydraulics.
3. Turn on the warning light flashers.
4. Depress the clutch (manual transmissions) and
engage the PTO, if equipped. Refer to "Power
Take-Off" in this section.
5. Activate the master control with the toggle switch
on the truck dashboard. A red light next to the
toggle switch on the dashboard indicates when
the master control system is energized. The
truck ignition must be on unless equipped with
an auxiliary engine.
REQUIREMENTS AFTER LEAVING THE TRUCK
CAB:
1. Check wind and weather conditions. Do not
operate the platform if wind gust exceeds 30 mph
(48 km/hr) or there is a threat of an electrical storm.
2. After leaving the cab chock the wheels. This is
extremely important because the brake systems
on some larger trucks have a critical weakness.
For example: the brakes may be engaged by
4-1
NEVER OPERATE THE
o
. WITHOUT
39049-01 01/17