In these operating instructions, the designation “the tool” Always keep these operating instructions to- always refers to the PM 4-M multi-line laser. gether with the tool. Parts, operating controls and indicators 1 Ensure that the operating instructions are with the tool when it is given to other persons.
2.2 Features The PM 4-M levels itself automatically within a range of approx. 4°. If this is not sufficient, the tool can be leveled using the adjustable feet and circular bubble level. Self-leveling takes only approx. 3 seconds.
As the laser visibility glasses restrict color vision, they should be worn only when working with the PM 4-M laser tool. Do not wear the laser visibility glasses while driving a vehicle on a public road.
If damaged, have the sonnel or when used not as directed. machine repaired before use. Poor maintenance is c) To avoid the risk of injury, use only genuine Hilti the cause of many accidents. accessories and additional equipment.
Do not mix old and new batteries. Do not mix by taking measurements by other means when working batteries of different makes or types. under such conditions or if you are unsure. Likewise, Hilti cannot rule out the possibility of interference with other devices (e.g. aircraft navigation equipment).
Close the battery compartment. Check that the catch engages properly. 7 Operation 7.2.1 Transferring heights 3 7.2.2 Setting out drywall track for a partition wall 4 5 NOTE 7.2.3 Aligning pipes vertically 6 To achieve maximum accuracy, project the line onto a vertical, flat surface.
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Then mark the left-hand point of intersection of the 7.3.2 Checking the leveling of the horizontal laser laser lines (d4) on the target plate (c). beam 10 NOTE The horizontal distance between d2 and d4 Place the tool on an even, level surface approx. 20 must be no greater than 2 mm at a working distance cm from the wall (A) with the laser beam directed of 5 m.
NOTE Do not use any other liquids as these may 8.4 Hilti calibration service damage the plastic components. We recommend that the tool is checked by the Hilti cal- Observe the temperature limits when storing your ibration service at regular intervals in order to verify its equipment.
Most of the materials from which Hilti tools or appliances are manufactured can be recycled. The materials must be correctly separated before they can be recycled. In many countries, Hilti has already made arrangements for taking back old tools and appliances for recycling.
However, there is no guarantee that interference will not Changes or modifications not expressly approved by occur in a particular installation. If this equipment does Hilti may restrict the user’s authorization to operate the cause harmful interference to radio or television recep- equipment.
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