Stanley FatMax AL32 User manual
AL32 FATMAX • 1
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32X AUTOMATIC LEVEL KIT AL32
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32X AUTOMATIC LEVEL KIT AL32
1-77-238/241
2 • AL32 FATMAX
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32X AUTOMATIC LEVEL KIT AL32
Fig. 1
Fig. 2
AL32 FATMAX • 3
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FEATURES (Fig. 1)
1 Base Plate 2 Horizontal Circle
3 Horizontal Circle Reference Mark 4 Compensator Lock
5 Focusing Knobs 6 Optical Peep Sight
7 Sunshade / Objective Lens 8 Horizontal Drive Screw
9 Leveling Screw 10 Circular Bubble Vial
11 Vial Sighting Prism 12 Eyepiece Cover
13 Eyepiece Focusing Knob
FEATURES
• 32x Magnification
• Wire-hung, magnetically dampened compensator for optimum range
and accuracy.
• Compensator lock protects instrument during transport or storage; the
lock can also be used as a handy compensator checking tool.
• Large effective aperture and minimum focus of 0.3 m.
• Top-mounted optical peep-sight for quick reference.
• Large, easy-to-use precise focusing knob.
• Easy-to-read horizontal circle.
• Penta prism for easy bubble viewing.
• Sealed, dust-protected leveling screws.
• Water resistant, sealed construction plus sunshade for use in various
weather conditions.
• Fine adjustment knobs on left and right sides with friction-braked
rotation, endless horizontal drive.
• 1:100 stadia for distance estimation.
• 5/8- 11 threads to fit standard tripods.
4 • AL32 FATMAX
INTRODUCTION
Thank You for purchasing one of our Automatic Levels.
This instrument was carefully inspected and calibrated within tight
tolerances before shipment. We properly package the instruments for
shipment, but we cannot control how the package is handled during
shipment. We advise that you check the instrument using the test shown in
the “Line-of-Sight” Section before using.
After doing any job using any instrument, it is advised that you check your
work. To check your work, set up the instrument in a different location from
the place where you originally set up (approx. 16 m) and reshoot a few of your
original targets. The new readings should agree with the first readings.
If the new readings do not agree, you should have the instrument checked by
a STANLEY Authorized Repair Center, or try the Line-of-sight adjustment.
USING THE INSTRUMENT
Setting up the instrument and centering the bubble
1. Set up the tripod and attach the level using the tripod mounting screw.
2. Adjust the tripod legs until the tripod head is roughly level. Center the
bubble within the vial by turning the leveling screws as shown in Fig. 2.
A – Turn screws A and B to move the bubble to the right side.
B – Turn screw C to center the bubble.
Focusing the instrument
1. Focus the cross hairs (Fig. 3) by pointing the telescope towards a bright
background or holding a white sheet of paper in front of the objective
lens, then turning the eyepiece until the cross hairs are sharp and black.
AL32 FATMAX • 5
2. Focus the telescope by locating a target, such as a leveling rod, using
the optical peep sight. Looking through the eyepiece, use the focusing
knob to bring the target into sharp focus. Center the vertical hair within
the target using the horizontal drive knobs on either side of the
instrument.
Reading measurements using a leveling rod
Height reading
Read the rod where it is intersected by the horizontal hair. For example, the
height reading in Fig. 4 is 1,195 m.
Distance measurement
Read the rod where it is intersected by the upper and lower stadia hairs;
in Fig. 4 these readings are at 1,352 m and 1,038 m. The stadia ratio is 1:100;
therefore, the distance from the instrument to the rod is: (1,352 – 1,038) x 100
= 31,41 m.
Angle measurement
As shown in Fig. 5, sight point A and rotate the horizontal circle until the
reference mark is on “0”. Rotate the level and sight point B; the reference
mark will indicate the angle between A and B.
CALIBRATION
Your AL32 Automatic Level has been factory calibrated; however, you should
occasionally check your level for errors caused by shipment or rough
handling.
Compensator lock button
Check the compensator for proper operation before use or anytime the
operation of the instrument is in question. Push and release the compensator
lock button to shake the compensator. The compensator should return to the
exact horizontal position sighted before the lock
button was pressed.
6 • AL32 FATMAX
Circular bubble vial
Center the vial bubble using the leveling screws, then rotate the instrument
180°. The bubble should remain centered (Fig. 6). If the bubble moves out of
center, the vial needs adjustment (Fig. 7).
Turn the leveling screws to bring the bubble halfway to center (Fig. 8). Using
the Allen wrench, turn the two vial adjustment screws to center the bubble
(Fig. 9).
Repeat the above preocedure until the bubble remains centered when the
level is rotated 180°.
Line-Of-Sight
The line-of-sight needs to be horizontal within 3 mm of level to be accurate.
Set up and level the instrument on a tripod midway between two leveling
rods set approximately 30m to 50m apart. Sight rods A and B; the height
readings are a1 and b1 (Fig. 10). The value “H” is equal to (a1 – b1). Move the
instrument to within 6 feet (2m) of rod A and re-level. Again sight rods A and
B; these height readings are a2 and b2 (Fig. 11).
If a1 – b1 = a2 – b2 = H, the line-of-sight is horizontal. If not, the level should
be adjusted as follows.
Because the instrument is set halfway between A and B, any error in the
line-of-sight causes both readings to be erroneous by the same amount. Error
“e” cancels out, so the value a1 – b1 = H is correct. Therefore, a2 – H = b3,
the adjusting value.
To adjust, unscrew the eyepiece cover. Turn the adjusting screw with the
adjusting pin (Fig. 12) until the horizontal cross hair gives the reading b3, on
rod B. Repeat the above procedure until {(a1-b1) – (a2-b2)} </= 3 mm.
AL32 FATMAX • 7
MAINTENANCE
Care must be taken to maintain the accuracy of the instrument.
• After each use, the instrument should be wiped clean and kept in its
carrying case.
• Remove dust from the lenses with a soft brush or a nonabrasive wipe.
Never touch the lenses with your fingers.
• Store the instrument in a dust-free area with low humidity.
• A bag of silica gel dryer is included with each instrument; if it has
stopped working effectively, bake it to remove moisture or replace with
a new bag.
TECHNICAL DATA
Telescope Erect
Telescope length 8.3”(210 mm)
Magnification 32 x
Leveling accuracy 1/16” @ 250’ (1,6 mm at 75 m)
Working range 350’(107 m)
Clear objective aperture 40mm
Field of view 1.5°
Shortest focusing distance 1’ (0.3m)
Stadia ratio 100
Stadia addition 0
Water resistant? Yes
Compensator:
Leveling range +/- 15’
Setting accur. +/- 0.8”
Magnet dampening Yes
Sensitivity of bubble 8’/2mm
Circle graduation 1° or 1 gon
Standard deviation for 1km 1.0mm double-run leveling
Instrument net weight 1.7kg (3.7 lbs)
Mounting thread 5/8- 11
8 • AL32 FATMAX
WARRANTY
Five Year Warranty. The Stanley Works warrants the instrument against
defects in material and workmanship for five years from the date of purchase.
Deficient products will be repaired or replaced, at Stanley Tools’ option, if
sent together with proof of purchase to:-
Stanley UK Sales Limited,
Gowerton Road,
Brackmills,
Northampton
NN4 7BW
This Warranty does not cover deficiencies caused by accidental damage,
wear and tear, use other than in accordance with the manufacturer’s
instructions or repair or alteration of this product not authorised by Stanley
Tools.
Repair or replacement under this Warranty does not affect the expiry date of
the Warranty.
To the extent permitted by law, Stanley Tools shall not be liable under this
Warranty for indirect or consequential loss resulting from deficiencies in this
product.
This Warranty may not be varied without the authorisation of Stanley Tools.
This Warranty does not affect the statutory rights of consumer purchasers of
this product.
This Warranty shall be governed by and construed in accordance with
the laws of England and Stanley Tools and the purchaser each irrevocably
agrees to submit to the exclusive jurisdiction of the courts of England over
any claim or matter arising under or in connection with this Warranty.
Subject to change without notice
176 • AL32 FATMAX
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32X AUTOMATIC LEVEL KIT AL32
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32X AUTOMATIC LEVEL KIT AL32
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32X AUTOMATIC LEVEL KIT AL32
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32X AUTOMATIC LEVEL KIT AL32
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32X AUTOMATIC LEVEL KIT AL32
Fig. 3
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Fig. 6 Fig. 7
AL32 FATMAX • 177
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32X AUTOMATIC LEVEL KIT AL32
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32X AUTOMATIC LEVEL KIT AL32
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32X AUTOMATIC LEVEL KIT AL32
Fig. 8
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Fig. 10 Fig. 11
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