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Important Trouble Shooting Tips

NOTE! The 8500 electric strike requires that the opening be plumb and square to ensure proper catch 
and release of the latchbolt.

EVALUATING LATCH BOLT CONDITION

ACCOMMODATING DOOR SAG

DOOR FACE

APPLY FORCE IN

THIS DIRECTION

 TO LATCH BOLT

APPLY LUBRICANT TO THIS SURFACE

Figure 2: Lubricate latch bolt as required

If latch bolt does not

clear faceplate, remove

material as shown

and install SD faceplate

Figure 3: Door Sag Adjustment

Door sag and latchbolt wear are two common conditions that
may prevent an electric strike from working properly.  Here are
some quick tips to ensure the HES 8500 performs at its best:

Poorly constructed, worn or damaged latchbolts may not
interact properly with the ramp of an electric strike.  To check
the condition of your latchbolt, lightly depress the tip of the
latchbolt at a 45 degree angle to the door face -- (see Figure 1). 
The latchbolt should be easily pushed into the door.  If
abnormal resistance is encountered, apply a lubricant to the
inside of the latchbolt opening with the latchbolt depressed.
(See Figure 2) Check manufacturer for proper maintenance
and approved lubricants.  If this does not correct the friction,
additional maintenance on the latchbolt may be required.

Most doors experience some sagging over time. To check for
door sag, look at the location of the lock’s deadlatch in relation
to the 8500’s deadlatch platform. The deadlatch should rest fully
on the deadlatch platform. If the deadlatch contacts the faceplate
or the edge of the 8500’s body, the latchbolt may not be fully
released when the strike is activated causing the door not to be
released. 
 
To correct this condition, remove the 8500 and cut material
from the bottom edge of the frame opening and possibly the
mounting tabs (Note: make sure to sure to retain the mounting
hole). This allows the 8500 to be shifted down slightly in the frame.
Reinstall the 8500, using the SD faceplate instead of the standard
faceplate. 
  
If this does not correct the issue, additional maintenance on the
door may be necessary.

Lubrication of the 8500 electric strike is not necessary.

Figure 1: Apply force to latch bolt

3

STRIKE LUBRICATION

Summary of Contents for 8500 series

Page 1: ...SOLENOID VOLTAGE 12VDC 24VDC 200 feet or less 200 300 feet 300 400 feet 18 gauge 16 gauge 14 gauge 20 gauge 18 gauge 16 gauge ELECTRICAL RATINGS FOR SOLENOID CONTINUOUS DUTY 12VDC 50 24 24VDC 200 50 200 12 12 12 16VAC 24VAC INTERMITTENT DUTY Resistance in Ohms Amps Solenoids are rated at 10 indicated value 10 max duty cycle 2 min max on time 24 32 2 3 4 8500 Electric Strike Body Horizontal Lockdow...

Page 2: ...ng are aligned It may be necessary to slightly retract the keeper in order to properly seat the deadlatch platform fastening foot 6 Fasten the deadlatch platform to the electric strike using the 4 40 screw provided Install Strike in Frame 7 Select and electrically connect the appropriate 12 or 24 Volt pigtail to match system power as illustrated in Diagram 1 below For 12V AC DC or 16V AC the pigta...

Page 3: ...d apply a lubricant to the inside of the latchbolt opening with the latchbolt depressed See Figure 2 Check manufacturer for proper maintenance and approved lubricants If this does not correct the friction additional maintenance on the latchbolt may be required Most doors experience some sagging over time To check for door sag look at the location of the lock s deadlatch in relation to the 8500 s d...

Page 4: ... lockset Schlage 852M Compatible with mortise locksets Yale 8700 8800 Accurate Falcon Kaba Ilco Unican 4 centerline of faceplate 2nd line centerline of faceplate opening 23 32 18 2 C L 25 32 19 8 C L 25 32 19 8 C L 23 32 18 2 C L 25 32 19 8 C L 23 32 18 2 C L 25 32 19 8 C L 23 32 18 2 C L Manufactured after 2005 Contact HES Customer Support for more information ...

Page 5: ...ail Safe DIAGRAM 3 LBM LBSM DIAGRAM 2 Fail Safe Conversion DIAGRAM 4 Deadlatch Platform Position Position 2 Strike shown in LH RHR position DIAGRAM 5 Deadlatch Platform Installation Position 1 RH LHR Position 1 LH RHR Brown Blue Yellow Platform Position 1 Platform Style Lockset Sargent 8100 8200 9200 Yale 8800 Accurate Falcon Kaba Ilco Unican M Yale 8700 Schlage L9000 M L Platform Position 2 Platf...

Page 6: ...8 105 3 3 8 86 Note The 8500 electric strike will require removal of dust boxes of less than 1 3 8 in depth Remove additional material as needed to provide clearance for electric strike and wires DIAGRAM 6 Horizontal Lockdown Shim Installation Remove Dust Box 1 Shim 1 16 1 6 2 Shims 1 8 3 2 ...

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