NICHIYU PLD16 N50 Series User manual

OP-02-023
ELECTRIC LIFT TRUCKS
OPERATOR’S
MANUAL
DO NOT ATTEMPT TO OPERATE THE TRUCK UNTIL
YOU ARE THOROUGHLY FAMILIAR WITH THE
INFORMATION AND SAFETY PRECAUTIONS SET FORTH
IN THIS MANUAL.
WARNING
N50 SERIES
PLD16/20/30
KLD16/20/30
KYOTO, JAPAN

OPERATOR’S
MANUAL
OPERATOR’S
MANUAL
KYOTO, JAPAN
ELECTRICTRUCKS

DANGER
WARNING
CAUTION
NOTE
Indicates an exteremely hazardous situation which, if not
avoided, will result in death or serious injury.
You shall observe this instruction.
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
You shall observe this instruction.
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.
You shall observe this instruction.
Indicates suggestions, tips and hints related to the safety of a
operator and maintain of a truck.
¡This operator's manual provides for the proper operation, easy maintenance and periodical
inspection.
¡Prior to operation, read this manual carefully for safe and efficient operation.
¡Specifications and equipment in this manual are subject to change without any notice by the
manufacturer for further improvement and modifications.
¡Make sure these important instructions in this manual are available for the operator on each
delivery or transfer of the truck. Keep this manual after reading.
¡If you have any questions, please feel free to contact your local NICHIYU dealer.
and are very important for you and others for safety. Follow these
instructions.
INTRODUCTION
CAUTION
The operator should read and understand
the safe operation contained in this manual.

CONTENTS
zSAFETY OPERATION . . . . . . . . . . . . . . . . . 1
Indication of direction . . . . . . . . . . . . . . . . . . . . . . 1
Decals and name plates . . . . . . . . . . . . . . . . . . . . 2
Information for safety operation . . . . . . . . . . . . . . 5
xPART NAME AND FUNCTION . . . . . . . . 13
Name of part . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Driving and operation . . . . . . . . . . . . . . . . . . . . . 15
cDRIVING AND OPERATION . . . . . . . . . . 18
Preparation of start . . . . . . . . . . . . . . . . . . . . . . . 18
How to reduce the speed . . . . . . . . . . . . . . . . . . 19
How to turn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Stop and park . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
How to use safety button . . . . . . . . . . . . . . . . . . 20
Operation with load . . . . . . . . . . . . . . . . . . . . . . 21
vBATTERY AND CHARGER . . . . . . . . . . . 24
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Precautions for charging the battery . . . . . . . . . 27
Charger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
How to charge the battery (By stationary charger)
. . . 30
Exchanging the battery . . . . . . . . . . . . . . . . . . . . 34
Level of electrolyte and specific gravity . . . . . . . 35
b INSPECTION PRIOR TO OPERATION
. . . . . . 37
Check point and contents . . . . . . . . . . . . . . . . . . 37
Inspection procedure . . . . . . . . . . . . . . . . . . . . . 38
n INSPECTION OF AFTER OPERATION
. . . . . . 40
Inspection after working . . . . . . . . . . . . . . . . . . . 40
mPERIODIC SERVICING . . . . . . . . . . . . . . . 41
Precautions of maintenance . . . . . . . . . . . . . . . . 41
Weekly (50-hour) servicing . . . . . . . . . . . . . . . . . 43
Monthly (200-hour) servicing . . . . . . . . . . . . . . . 45
Lubrication points and recommended oil . . . . . . 47
Every three-month (600-hour) servicing . . . . . . . 48
Semiannually (1200-hour) servicing . . . . . . . . . . 48
Replacing parts and trouble shooting . . . . . . . . . 49
,QUICK FAULT FINDING . . . . . . . . . . . . . . 50
.PERIODICAL REPLACING PARTS . . . . 51
⁄0 COLD STORAGE TYPE TRUCK . . . . . . 52
Protection from rust and corrosion . . . . . . . . . . . 52
Protection from low temperature . . . . . . . . . . . . 52

1
SAFETY OPERATION
1
■Indication of direction
The following illustration shows the direction of this truck.
Backward
Forward Left
Right
PLD
Backward
Forward Left
Right
KLD
Forward
Right
Left
Backward
Walk behind type
End rider type
Walk behind type
End rider type
Forward
Backward Right
Left

2
■Decals and name plates
1SAFETY OPERATION
CAUTION
Decals and name plates are installed on the
truck to give information about possible hazards.
CAUTION
If you find that the decals and name plates are
removed and/or unreadable, contact your local
NICHIYU dealer for replacement.
qw ert

3
1
SAFETY OPERATION
24700-04630
q
we
MODEL
LOAD
NO.
CAP
W/O
BATTERY
SERVICE WEIGHT
kg/mm
kg kg
N (D.B.P)
SAFETY PRECAUTIONS
Do not overload and overcapacity the truck.
Do not make a quick turn, quick stop and quick start.
Do not drive at a right angle to an inclination.
After daily operation inspect charging of the battery.
MADE IN JAPAN 24700-13730
1.Only a trained and authorized operator shall be allowed to
operate the truck.
2.The operator should read the operator’s manual carefully
and understand the safe operation.
3.Carry out the daily inspection before operation. If any
abnormalities are found, do not operate until they are
repaired completely. Repair and/or adjustment should be
done by an authorized service person.
4.Make sure that the accelerator knob is in the neutral
position, the tiller arm is stood upright and the broke is
applied before turning on the key switch.
5.The key switch must be turned from the normal operating
position.
6.Do not overload. Do not handle an off-center load.
7.Always check the road condition, and stay away from soft
or uneven ground.
8.Keep enough clearance between the truck and operator’s
body for safe operation.
9.When travelling up or down a grade with a load, keep the
load upgrade to maintain control. Do not turn on a grade.
10.Do not make a sudden start, stop or turn.
11.Do not ride on the truck except the riding step or riding
compartment.
12.When leaving the truck, next procedure must be followed.
[1]Stand the tiller arm upright to apply the brake.
[2]Release the accelerator knob to return to the neutral.
[3]Lower the fork or platform to the lowest position.
[4]Turn off the key switch and remove the key.
13.Slow down the speed when descending a grade.
14.Use prescribed fuse for replacement.
15.Never allow anyone to ride on a fork or pallet.
WARNING
A driver shall observe the following notes for safety.
24700-13740

4
1SAFETY OPERATION
GASES produced by this battery can be explosive.
Cigarettes, flames or sparks could cause battery to explode.
Make sure batteries are stored and charged in a well–ventilayed area.
Batteries contain SULFURIC ACID can cause severe burns.
Avoid contact with skin, eyes or clothing.
In event of accident flush with water and call a physician immediately.
Wear rubber gloves to prevent ELECTRIC SHOCK during checking.
and maintaining.
Keep out of reach of children.
IMPORTANT POINT FOR MAINTENANCE
Keep the electrolyte level at proper height.
(When electrolyte decreased, fill purified water
and stop filling immediately if confirmed the white line of the
float as shown herein, for over–filling causes overflow.)
Always give the battery an adequate charge and
do not use the battery at overdischarged condition.
Keep the surface of battery clean and dry.
1.
2.
3.
G6E（英文）
(EX.) VENT PLUG
White
line
FLOAT
r
t
24700-06840
Fire hazards
1. Always charge the battery in well ventilated area.
DO NOT smoke, keep flames away.
2. DO NOT use equipment that is liable to
produce sparkes, in this area.

5
■Information for safety operation
¡Modifications and additions shall not be performed
without the written approval of NICHIYU. Contact
NICHIYU
’ s qualified facility for details.
¡Do not install any parts blocking visibility from oper-
ating position.
1
SAFETY OPERATION
CAUTION
Only a trained and authorized operator shall
operate the truck.
CAUTION
The operator is recommended to wear a hel-
met, safety shoes and working clothes.
WARNING
Do not operate the truck while taking
drugs and/or alcohol; otherwise, an acci-
dent may occur which can cause serious
injury or death.
CAUTION
Do not use a truck in the following circum-
stances.
qWhere the temperature is less than –10°C
(except cold-storage use truck) or more
than 40°C.
wWhere the explosive gas (thinner, gaso-
line etc.) may exist.
CAUTION
Keep the operator's compartment clean at all
times.
CAUTION
Do not operate the truck with greasy or wet
hands.
CAUTION
Do not modify the truck.
CAUTION
Carry out the daily inspection before operation.

6
¡Refer to the name plate and make sure that the
weight of the load are within the capacity of your
truck before handling.
¡Make sure no person is around the truck before
starting.
¡Be careful not to hit the truck with your body or leg.
1SAFETY OPERATION
CAUTION
Make sure that the load is palletized securely
in a proper shape. If a load is unstable, it can
easily shift and fall on someone.
WARNING
Do not overload.
CAUTION
Use proper size pallet with enough strength for
the load.
CAUTION
¡Stop operation and report immediately for
any damage or faults on the truck.
¡Do not operate the truck until it is repaired
completely.
CAUTION
Look all around the truck before moving.
CAUTION
Travel to the power unit side if forward visibili-
ty is blocked.
CAUTION
Keep enough space between a truck and your
body.

7
¡If the load blocks your view, or when you travel
down a grade with a load, drive to the power unit
side. Always look in the direction of travel. A look-
out helper may be required if your visibility is
obstructed.
¡If you cannot see where you are going, don't move!
Travel slowly around corners.
¡Sound the horn at cross aisles and other areas
where you cannot see clearly or where visibility is
restricted.
¡Always be aware of people near your truck. Do not
proceed near them until they are aware of you.
¡Trailers or loads may follow inner routes than the
power unit.
¡Failure to observe this instruction can injure or kill
someone.
¡A sudden start or braking can cause the load to fall.
¡A sharp turn while traveling can cause the truck to
turnover.
1
SAFETY OPERATION
CAUTION
Make sure no person is around the truck when trav-
eling. Look around the truck and sound the horn
before moving.
CAUTION
Stop at blind corner and/or intersection.
CAUTION
Always look in the direction of travel!
CAUTION
Be careful when turning.
CAUTION
Do not make a sudden start, stop or turn.

8
¡Avoid bumps, holes, spill spots and loose materials
that may cause the truck to swerve or tip. If unavoid-
able, slow down, and proceed with caution.
¡Water, sand, gravel, ice or mud can cause to slip. If
unavoidable, slow down.
¡Do not go into a flooded or water covered area.
¡Serious accidents can be caused by hitting walls or
pillars. Make sure there is enough clearance of the
entrance.
¡A truck is very heavy. Check the condition of the dri-
ving surface. Make sure the floor, bridge and/or ele-
vator will support the weight of the truck and the
load.
1SAFETY OPERATION
CAUTION
Do not go over obstacles, curbs, ditches,
ridges and railroad trucks.
CAUTION
Always check road surface, and stay away
from soft or uneven ground.
CAUTION
Avoid slippery surface.
CAUTION
Keep enough clearance.
CAUTION
Do not exceed the limitation of the floor
strength.

9
¡Do not lift the load by the tip of the forks.
¡Misuse can damage the loads as well as the truck.
1
SAFETY OPERATION
CAUTION
Do not push or drag the load.
CAUTION
Keep enough distance from the edge of docks,
ramps and platforms.
WARNING
Never allow anyone to ride on fork or
platform.

10
¡When traveling up or down a grade with a heavily
loaded truck, keep the load upgrade to maintain
control.
¡Travel down with plugging brake if necessary.
¡Failure to observe this rule can cause the truck to
turnover.
¡If the weight of the load is not centered between the
forks or platform, the load can fall from the truck
when you turn a corner or hit a bump.
¡An off centered load will increase the possibility of
the truck to turnover.
¡Be careful not put your body between the truck and
wall.
1SAFETY OPERATION
CAUTION
Do not turn on, or angle across an incline.
CAUTION
Do not handle an off-center load.
CAUTION
Keep enough space when loading or unloading.
CAUTION
Travel carefully on grades with a loaded truck. Loaded

11
¡Make sure the trailer brakes are set and the wheels
are blocked while loading or unloading.
¡Be careful when handling a load.
¡Lifting and lowering should be done slowly.
¡Failure to observe this rule can cause serious per-
sonal injury.
¡Make sure pallets and skids are sturdy and in safe
operating condition.
Parking place :
¡Park the truck at the reserved place.
¡Do not park on or near flammable objects.
1
SAFETY OPERATION
CAUTION
Drive into a trailer carefully.
CAUTION
Travel carefully when handling with a long or
wide load.
WARNING
Never allow anyone to hold or pick loads
off while traveling or lifting.
CAUTION
Do not use damaged pallets.
CAUTION
When parking the truck:
¡Lower the fork or platform on the ground.
¡Turn off the key switch and remove the key
before leaving the truck.

12
OUT OF ORDER LIFT TRUCK
¡When parking a truck requiring repair, a warning
or “out-of-order”sign shall be placed on the truck
and remove the key.
¡When the fork or platform cannot be lowered
because of a fault, place a large sign or marker on
the forks. This procedure will caution other trucks
and pedestrians.
IN EMERGENCY CASE
¡Be careful not put your body between the truck and
wall.
1SAFETY OPERATION
CAUTION
Do not park the truck on a slope.
Safety button
NOTE
Remember that the safety button is located at the top of
the tiller arm. When pushing this button while traveling to
the power unit side, the truck changes the traveling direc-
tion immediately.

■Name of part
2
PART NAME AND FUNCTION
13
Controller
Top cover
Emagency switch
Drive wheel
Caster wheel
Load wheel
Battery case
Fork
Battery cover
Battery discharge indicator
Controller
Drive wheel
Guard
Top cover
Riding step
Caster wheel
Load wheel
Battery case
Fork
Battery cover
Emagency switch
Battery discharge indicator
Safety button
Safety button
[End rider type]
™PLD SERIES
[Walk behind type]

14
2PART NAME AND FUNCTION
Controller
Top cover
Emagency switch
Drive wheel
Caster wheel
Load wheel
Battery case
Platform
Battery cover
Battery discharge indicator
Controller
Drive wheel
Guard
Top cover
Riding step
Caster wheel
Load wheel
Battery case
Platform
Battery cover
Emagency switch
Battery discharge indicator
[End rider type]
™KLD SERIES
[Walk behind type] Safety button
Safety button

15
■Driving and operation
qTiller arm
[Walk behind type, End rider type]
Range of brake : When the tiller arm position is within
5 degree from vertical and horizontal
positions, the brake is applied and
the truck does not move.
Range of travel : When the tiller arm is positioned in
this range, the brake is released and
the truck can move.
¡Truck can be turned by moving the tiller arm.
¡Grab the grip of the tiller arm and apply a thumb to
the control knob.
wKey switch
OFF : This is the position where the power is switched
off and remove or insert a key.
ON:
When the key is turned to this position, the power
is turned on and the truck can be operated.
2
PART NAME AND FUNCTION
Safety button Battery discharge
indicator
Lift button
Lower button
Control knob
Horn button
Control knob
Grip
Key switch
01
Range of brake
Range of
travel
Range of brake
Straight
traveling
Left turn
Right turn
Key switch
ON
OFF
CAUTION
Turn off the key switch when park the truck or
charging the battery.

16
eControl Knob
When releasing the control knob, it is returned to the
neutral position.
rSafety button
In the case of the walk behind type and end rider type
trucks, the traveling direction is switched from the
power unit side (operator side) to the fork (or platform)
side by pushing the safety button.
The truck continues to travel to the fork (or platform)
side while pushing the safety button.
In the case of the center rider type and towing type,
the traveling speed is reduced by pushing the safety
button.
¡By releasing the safety button, the truck will be
stopped.
tHorn button
Push this button to operate the horn.
2PART NAME AND FUNCTION
Horn button
Push
CAUTION
The control knob must be operated after turn-
ing the key switch on and the tiller arm is
moved to the traveling position.
CAUTION
The control knob should be released when
pushing the safety button.
Turning direction of knob and traveling direction
End rider typeWalk behind type
Power unit side
(Operator side)
Power unit side
(Operator side)
Downward
Fork or platform sideFork or platform sideUpward
Control knob
Downward
Upward
Neutral
Safety button
NOTE
The traveling speed can be changed by the turning angle
of the control knob.
NOTE
When the truck is traveled to the fork (or platform) side,
the traveling direction is not changed even pushing the
safety button.