Mounts by
A division of David Engineering & Mfg. Inc.
Model
PMU50 PROJECTOR MOUNT
Thank you for purchasing the PDR Projector mount with the exclusive “Bayonet locking system”.
To ensure the correct usage, please read and follow the instructions manual thoroughly. Please store the instructions in a safe place for future reference.
All PDR mounts and adapters carry a lifetime warranty against defects in material and workmanship. We are not liable for
improper installation that results in damage to mounts, adapters or presentation equipment.
Special techniques are necessary for installation of the mount.
Do not attempt to perform this work by yourself.
Request an installation specialist to install this unit.
Manufacturer assumes absolutely no responsibility for injuries and damages that may occur due to improper installation and handling.
Please remember that if you remove the mount from the wall/ceiling later, you will find the screw holes and anchor bolts for the
mounting unit left on the wall.
To ensure customer safety, be sure to decide the installation location so that the strength is sufficient to withstand the weight of both the projector
and the mount.
Fully tighten all of the mounting screws as specified in the instructions.
Features
! Simple to adjust no-tools required
! 3 1/4 ” Low profile
! 1 ½”NPT-ready or flush mount
! +30° -5° Pitch
! + -5° yaw
! 360 ° rotation
! 55 lb load rating
! Lateral shift capable
! Quick projector removal with exclusive
“Bayonet locking system”
Rotate 360 deg
Locking thumb screw
Bayonet Locking System
1
PRODUCT SPECIFICATIONS
2.13”
5°
3.26”
30°
5°
5°
Ø
15.75” MAX REACH
3
ADAPTER PLATE HARDWARE
Leveling barrels 4 pcs
A
B
C
D
Fig 1
1/4-20 x 5/8 carriage bolts 4 pcs
9/32” x 47/64” Nylon washer 4 pcs
4.3 mm x 8.9mm steel washer 4pcs
2.7mm x 6mm steel washer 4 pcs
G,H,I,J
D,E
F
A
C
E
F
Black plastic knob 4 pcs
M6 x 25mm Pan Head Philips machine Screw 4 pcs
M
G
H
I
B
K
L
M4 x 25mm Pan Head Philips machine Screw 4 pcs
M 3 x 25mm Pan Head Philips machine Screw 4 pcs
M2.6 x 25mm Cheese Head slotted machine Screw 4 pcs
Note: must be used with washer “E”
J
K
Adjustable arm (left) 2 pcs
Adjustable arm (right) 2 pcs
L
Adapter plate 1 pc
M
1/4” X 2” lag bolt 2 pcs
O
P
9/32” ID steel washer 2 pcs
4
1. FASTEN THE PROJECTOR MOUNT TO 1 ½”NPT PIPE
1: The bracket must be secured to a ceiling structure capable of at least (4) times the weight of the projector + mount.
2: Screw the bayonet sub assembly onto the 1 ½” NPT pipe (not supplied).
3: Secure with the locking set screw making sure the sub assembly safety lever is facing the front of the projector.
4: Fine adjustment can be made for rotation by loosening the two screws on the 1 ½’collar and rotating to the desired
position and tighten the two screws. SEE FIG 2
Fig 2
Pipe Not Supplied
Bayonet Sub Assembly
Projector Front
Rotation screws
locking set screw
safety lever
2. FLUSH MOUNTING THE PROJECTOR MOUNT
1: The bracket must be secured to a ceiling structure capable of at least (4) times the weight of the projector + mount.
2: For flush mounting of the pmu50 remove the 1 ½” collar and the side screws.
3: Position the pmu50 mounting plate against the ceiling structure with the chamfer facing the rear of the viewing screen (a solid wood
construction is required behind any ceiling structure). SEE FIG 3
4: Using the two lag bolts and washer supplied fasten to the ceiling.
5: Re-attach the bottom part of the mount using the side screws removed earlier. SEE FIG 3
Fig 3
Wood beam
Front of mount
Side screws
Chamfer facing away
from the viewing screen
P
O
5
3. ATTACH THE ADAPTER PLATE TO THE PROJECTOR.
1: Start by screwing the leveling barrels ( A ) into the Adjustable arms (K and L). A screwdriver slot is provided in the barrel (A). The barrels only
need to be threaded approx. 1/8“ through the bottom of the arm (K and L). If the mounting plane of the projector is not flat, the barrels can be
adjusted to make up the difference in height. SEE FIG 1
2: Using the adapter plate ( M ) attach the adjustable arms ( K,L ) with the hardware supplied (B,C,F). No need to tighten at this time. SEE FIG 1
3: Place the Universal adapter plate onto the projector. Using the proper hardware supplied ( screws G,H,I,or J) (washers D or E )
lightly fasten to the projector. SEE FIG 3
4: Position the universal adapter plate approx over the center of the projector. Tighten the screws to the projector and then tighten the plastic knobs
(If needed you can also adjust the adapter plate assembly to access the filters and light source, or for lateral shift to suit)
Be careful to not over-tighten the projector screws.
Damage to the projector may occur if the screws to the projector are over tightened.
Fig 3
Adapter Plate Assembly
Projector assembly
4. MOUNT THE PROJECTOR ASSEMBLY TO THE PROJECTOR MOUNT
1: Place the projector assembly into the bayonet slots on the mount (small end into large end) and slide backward until
the safety lever engages SEE FIG 4.
2: Adjust the locking thumb screws to secure the mount to the projector.
3: To remove, loosen the thumb screws and lift the safety lever to slide the unit out.
4: Adjust for best view and tighten all hardware.
Bayonet Sub Assembly
Fig 4
Safety lever
Locking thumb screw
Projector assembly
6
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