LOKERMANN GRAND AIR HD User manual

GRAND AIR HD
USER MANUAL

INTRODUCTION
The auto-darkening helmet with improved High Definition Filter Optics, delivers a new
generation of face and eye protection. Advanced integrated technology, such as CD,
optoelectronics detection, solar power, and microelectronics are coordinated to produce
one of the safest, fastest and most reliable auto-darkening helmets available.
The auto-darkening helmet can not only efficiently protect operator’s eyes and face from
sparks, spatter, and harmful radiation under normal welding conditions, but also make both
hands free and strike arc accurately resulting in increased efficiency and improved quality
welds. It may be widely used for various welding, cutting, spraying and arc gouging, etc.
WARNINGS
This auto-darkening helmet is not suitable for "overhead" welding, laser welding or
oxyacetylene welding applications.
This helmet will not protect against explosive devices or corrosive liquids. Machine
guards or eye splash protection must be used when these hazards are presented.
Impact resistant, primary eye protection, spectacles or goggles that meet current ANSI
specifications must be worn at all times when using this welding helmet.
Avoid work positions that could expose unprotected areas of the body to spark, spatter,
direct and/or reflected radiation. Use adequate protection if exposure cannot be avoided.
Do not make any modifications to either the ADF cartridge or helmet, other than those
specified in this manual.
Do not use any replacement parts other than those specified in this manual.
Unauthorized modifications and replacement parts will void the warranty and expose the
user to the risk of personal injury.
Do not immerse this helmet in water because this model is not waterproof.
Do not use any solvents on any ADF or helmet components.
The recommended operating temperature range for this ADF cartridge is -10°C~65°C
(14°F~149°F). Do not use this device beyond these temperature limits.
Failure to follow these warnings and/or failure to follow all of the operating instructions could
result in severe personal injury.

SPECIFICATIONS
Specification of ADF
1.CE Classification 1/1/1/1
2.Real Vision Yes
3. CD Viewing area 100 x 60 mm (3.94" x 3.28")
4. ight State Shade DIN 4
5. Dark Variable Shades DIN 5-9 / 9-13
6. Switching time (light to dark) 0.08ms
7. Delay time (dark to light) Adjustable ( evel 1-5 for 0.1-0.9s)
8. Sensitivity Adjustable ( evel 1-5 for low-high)
9. Arc Sensors 4
10.grinding Function Yes
11. Cutting Function Yes,Shade 5~8 adjustable
12. Power Supply Solar and i-ion rechargeable battery
13.ADF Battery Operating time >300h
14.Charging time 3.5h
15.Charging Frequency >500
16. Operating Temperature -10°C~65°C (14°F~149°F)
17. Inside PC lens 103 x 63 x 1 mm
18. Outside PC lens 118 x 97 x 1 mm
19. Inner visor Clean Visor
20. Standards CE EN379, ANSI Z87.1, CSA Z94.3, AS/NZS
Specification of Remote
1.Display O ED
2.Power Supply i-ion rechargeable battery
3.ADF Battery Operating time >300h
4.Charging time 3.5h
5.Charging Frequency >500
Specification of Respirator S stem
Size
(Blower Assembly)
9-2/5 x 6-1/2 x 2-3/4 in. (240 x 165 x 70 mm)
Weight 2.4KG
Particle Filter 1*TH3 P R S
Air Flow Manufacturer minimum design flow rate: 165 /min
Nominal airflow :
evel 1: 170 /min
evel 2: 200 /min
evel 3: 230 /min
Noise evel Max 75dB
Operate Temperature 23 to 131 (-5 ~55 )℉ ℉ ℃ ℃
Storage temperature 14℉ to 131℉ (-10℃~55℃)

Battery Type Rechargeable i-ION 4400mAh
Expected Battery
Operation Time
evel 1>8h
evel 2>6h
evel 3>4h
Battery Charging Time 3.5 Hours
Battery ife 500 Charges
Run Time Dependent On Air Flow Rate and Filter oad.
CD Display Air flow level and data
Battery capacity
Filter status
Belt Size 35-2/5 x 51-2/5 in. (900mm to 1300mm)
OPERATION INSTRUCTION
BEFORE USE
-Check for light tightness and check the inside & outside protection lens are clean and that no
dirt is covering the sensors on the front of the auto-darkening-filter (ADF) cartridge.
-Make sure the protection films on both inside & outside protection lens are removed.
-Inspect all operating parts for signs of wear or damage. Any scratched, cracked, or pitted
parts should be replaced immediately.
This ADF is full controlled b a Remote control and connected with Bluetooth. All the
adjustment of the ADF is operated on Remote Control. ADF will change to the Function
mode ou set b the Remote Control.
LED FLASH EXPLANATION ON ADF
There are 3 ED on the ADF showing the working status of the ADF.
1. RUNNING(Green):
a. ED will flash once every 2 Sec while pairing with Remote Control
b. After succeed paired, ED will flash when ADF receives control signal from Remote
Control
2. GRINDING/CUT(Orange):
a. ED will flash when ADF work in Grind/Cutting mode
3. OWPOWER/CHARGING(Red/Green):
a. ED will become red when ADF out of power
b. ED will be green and will flashing while charging
c. ED will be green and normally on when charging finished

SCREEN ICON EXPLANATION ON REMOTE CONTROL
Picture 1 Picture 2
Picture 3 Picture 4
1
/
2
3 4
5
Battery status Connection
signal indication
Welding
indication
Shade range 5-9 Shade range 9-13
6 7 8
9 10
Sensitivity
indication:
1 (low) to
5(high)
Delay indication:
1 (short 0.1s) to
5 (long 0.9s)
Shade reading Cutting mode
indication
Grind mode
indication
MODE SETTING
ADF has 4 function modes: Welding mode (Shade range 5-9), Welding mode (Shade
range 9-13), grinding mode, Cut mode. At welding mode, there are 3 functions can be
adjusted: Sensitivity, Shade and Delay.
ong press the button() on the Remote Control for 2 Sec and release, the ADF mode will

be changed circularly during these 4 modes. CD will show the picture from 1 to 4
circulation.
At welding mode, short-press the button on the Remote Control less than 1 sec and
release, the function will be changed circularly during these 3 modes.
VARIABLE SHADE CONTROL
If the Shade is in the range of 5~9, clockwise rotate the button on the Remote Control,
Shade number will be increased; Or Anticlockwise rotate the button on the Remote
Control, Shade number will be reduced.
If the Shade is in the range of 9~13, clockwise rotate the button on the Remote Control,
Shade number will be increased; Or Anticlockwise rotate the button on the Remote
Control, Shade number will be reduced.
Note:
-Choose an optimum Shade number for the required welding process or application (see
Table 1).
-If this ADF does not darken when striking arc, stop welding immediately and contact our
representative.
SENSITIVITY CONTROL
The responsiveness to different light levels in various welding processes can be adjusted in
the range 1-5(from low to high). Sensitivity can only be adjusted at Welding Mode.
Short press the button () on the Remote control and select SENS and Clockwise rotate
the button on the Remote Control, Sensitivity will be increased; Or Anticlockwise rotate
the button on the Remote Control, Sensitivity will be reduced. After the Icon 6 mentioned
is displayed on the screen, number will be changed during 1 to 5.
Turn to 1 (low): The photo sensitivity changes to be lower.
- Suitable for high amperage welding and welding in bright light conditions (lamp light
or sun light).
Turn to 5 (high): The photo sensitivity changes to be higher.
- Suitable for low amperage welding and using in poor light conditions.
- Suitable for using with steady arc process such as TIG welding.
- Under normally use, a higher sensitivity setting is recommended.
DELAY CONTROL
The length of time delay for the ADF returns to light state after welding can be adjusted in the
range 1-5 (for 0.1~0.9s). The time delay is for protection of welder’s eyes from strong residual
rays after welding.
Short press the button () on the Remote control and select DE AY and Clockwise rotate
the button on the Remote Control, Delay time will be increased; Or Anticlockwise rotate
the button on the Remote Control, Delay time will be reduced. After the Icon 7 mentioned
is displayed on the screen, number will be changed during 1 to 5.
Turn to 1 (0.1s): The time the ADF lighten after welding to be shorter. The shortest
time is about 0.1s depending upon welding point temperature and shade set. This
setting is ideal for track welding or production welding with short welds.

Turn to 5 (0.9s): The time the ADF lighten after welding to be longer. The longest
time is about 0.9s depending upon welding point temperature and shade set. This
setting is ideal for welding at high amperage where there is an after-glow from the
weld.
GRINDING SELECTION
Select grinding mode by pressing the button on the Remote Control, Picture 3 mentioned
will show on the Remote Control and the orange light on ADF will flash.
Note: Do not weld in the grinding mode, the ADF will not darken.
CUTTING SELECTION
Select grinding mode by pressing the button on the Remote Control, Picture 4 will show
on the Remote Control and the orange light on ADF will flash.
Clockwise rotate the button on the Remote Control, Shade number will be increased; Or
Anticlockwise rotate the button on the Remote Control, Shade number will be reduced.
The Shade range at cutting mode is 5-8.
Note: Do not weld in the cutting mode.
BATTERY INDICATOR
Icon 1 mentioned indicates the Remote Control battery status. Charge the battery when it
is low, otherwise, the Remote Control will out of work.
The light on ADF become red, Charge the battery of ADF. Otherwise, switching time will
become slower and shade accuracy will be compromised.
POWER SUPPLY AND CHARGE BATTERY
The power of the auto-darkening helmet is provided by solar cells and rechargeable
lithium battery.
Charge battery with Micro-USB cable when battery power is low. (Pic 5 & Pic 6)
Picture5 Picture 6
REMOTE CONTROL PAIR WITH ADF
ADF and Remote Control is paired one to one when assembly on the helmet and does
not need to be paired again. Icon 2 mentioned will show .One Remote Control can
Micro USB Micro USB

only control one ADF which had been paired.
A new Remote Control can be paired with a new ADF. Put new ADF and new Remote
Control together. ong press the pair button on the ADF(Picture 7) more than 3 Sec by a
fine needle and release .Then long press the pair button on the Remote Control (Picture
8) more than 3 Sec and release by a fine needle .Running ED on ADF will flash once
every 2 sec and will stop flash when succeed paired .The Icon 2 mentioned will show
;If Icon 2 shows , it means fail paired ,and needs to be paired again
Picture 7 Picture 8
HEADGEAR ADJUSTMENTS
Because the shapes of man's heads vary from person to person, the work positions and the
observing angles are different. Operator may adjust the headband in 5 parameters:
1- Select eye level by Headband adjusting buttons (1).
2- Select view angle by Segmental positioning plate (2).
3- Adjust head size perimeter by pushing and turning
the Headband tightness adjusting knob (3).
4- Select eyes distance from ADF by adjusting
Headgear screws to 1 of the 5 slots on the Headgear
slider (4). Make sure both sides are equally
positioned for proper vision.
5- Select the height of the headgear by adjusting the Block washers(5) up or down on
the Block washer adjustment(6).
REPLACE INNER VISOR
The arge Inner Visor is a protection lens and must be replaced if broken, damaged or
covered with welding spatter to the extent that vision is impaired.
Flip up the outer cover.
Push the plugs inside the helmet up, see position 1. The Inner Visor will be released from
Pair Button
Pair Button

the helmet; pull the Inner Visor out. See position 2.
Insert the visor, it is necessary to locate the button into the
corresponding hole in the helmet, then
push the plugs inside the helmet
down and lock the visor
The user must always make sure the
Visor is fitted properly and is locked well
and there are no visible gaps.
REPLACE OUTER PROTECT LENS
The outer protect lens is a protection lens and must
be replaced if broken, damaged or covered with
welding spatter to the extent that vision is impaired.
Flip up the outer cover.
Unlock the ADF by pull the lock structure inside the
flip up cover, (position.1). Take the ADF out
(Position.2), replace a new outer protect lens. Insert
the ADF back to flip up cover, lock the ADF by push
the lock structure.
The user must always make sure the outer protect
lens is fitted properly and is locked well
REAL VISION
The auto-darkening helmet is a Real Vision welding helmet. With advanced Real Vision
technology, the users can weld with improved clarity due to new complex coating
technology, grinding with precision while in grinding mode and finally see the job
performance in the light state in the full spectrum of colors. There is no need to remove
the helmet to see clearly! Results are enhanced the weld quality, increased efficiency and
improved safety because the users can see more.

UNPACKING/ASSEMBLY
Check that correct number of components has been supplied, as in figure 1.
Check that the apparatus is complete, undamaged and correctly assembled.
Any damaged or defective parts must be replaced before use.
FIGURE 1
The package must include:
1. The air fed welding + welding hood
2.
The respiratory protection system (turbo unit + filter + waist belt)
3. ithium-ion battery
4. The tube, its anti-fire cloth and both end fittings
5. The shoulder harness
6. The air flow tester
7. The lithium-ion battery charger
8. The carrying bag
If any of the above components are not included in your kit, please contact the supplier immediately.
FILTER REPLACEMENT
1
Remove the filter cover by pressing in the
latch of the filter cover.
2
The filter cover is released.
3
Remove the used filter by lifting it out from
the filter cover.
4