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Bug Blocker

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"Let the fresh air in and keep the pests out!"

Overhead Doors Owner's Manual

Thank you for purchasing doors from Rasco Industries, Inc. Each of our custom made doors is manufactured to ventilate your commercial facility, while eliminating the problems that occur when overhead loading dock doors are left open. Our Bug Blocker doors provide ventilation, while eliminating entrance by unauthorized people, unwanted bugs, rodents and birds. The information contained in this notice will allow you to operate and maintain the door in a manner which will insure maximum life and trouble free operation.

The Bug Blocker door comes in many configurations. Our most popular is the Dual or Switch Track. In the switch track configuration your Bug Blocker door was added to your existing overhead doors track system. Using the existing door's lower track, a track switch mechanism was added at the top of the opening, a second set of upper tracks, and a sectional screen door of stainless steel wire mesh. This unique track switch design allows for the independent use of the Bug Blocker door and existing overhead door, without manual intervention. The bottom set of rollers toggles the switch mechanism. The dual track system uses its own track and is separate from your existing overhead door allowing for you to decide the amount of ventilation wanted by lowering the Bug Blocker door and vary the amount of ventilation with the main overhead door. The Bug Blocker door has the ability to be used as a motor operated or manually operated door.

Construction: Your Bug Blocker door is constructed with an aluminum frame and uses stainless steel mesh of either #12, #30 and or 3/4" 20 gauge flattened expanded 304. All hardware provided meets or exceeds the overhead door industry standard for commercial grade usage. The door is counterbalanced by a torsion spring mounted on a torsion bar across the top of the door. The drums provide automatic take up of the cable. The shape of the drums provide a constant counter-balance for the weight of the door as it raises and the springs unwind.

Cleaning and Lubrication:

Water or Air Pressure is the suggested cleaning method. If additional cleaning is needed clean with mild soap or detergent and lukewarm water, using a soft clean sponge or soft cloth. In the event of an extreme buildup of debris using a clean push broom with soapy water on the screen has proven to be effective, rinse with water until clear. Occasional lubrication with a light lubricant on all the track, rollers, and track switches will aid in the smooth operation of your door. Our long lasting metal doors have experienced extremes from -35 up to 123 degrees. In areas of extreme weather conditions check your rollers and hardware more frequently.

In the rare event of damage, contact your door installer or Rasco Industries, Inc. directly. The serial number for your door is on a label located on the bottom section of your door. Replacement of damaged sections is done as a sectional unit. Replacement section orders are moved to the front of the production queue at Rasco Industries, Inc.

Cleaning Recomendations
Door Cleaning Template

Operation:

The door cannot be operated until you disengage the slide-lock out of the track and into the open position. Failure to disengage the slide lock fully out of the track may result in track and /or switch damage. Hold the handle and raise the door firmly and smoothly, Do not throw the door up.

Make sure the door is in the full up position and against the stops before operating the other door.

Use the rope to pull the door down in a steady manner, then lock the door in place with the slide-lock.

Maintenance Check List

Section #1 - Main Door

  1. Are the lower vertical track and main door's upper track well braced and in good condition?
  2. Does the main door have stop springs in the proper position at the top of the tracks?
  3. When thrown up above the door openings does the main door stay at the top, in contact with the stop spring and 7" or more above the top of the opening? (Switch track installations) If the doors do not sit against the stops in the up position adjustment of the torsion springs may be necessary.
  4. Are the hinges and roller bracket hinges on the main door in good condition?
  5. Are all bolts and nuts on hinges and roller bracket hinges of the main door properly tightened?
  6. Are the rollers on the main door in good condition?
  7. Are the drums on the main door properly aligned to release cable evenly?
  8. When the down position, is the side room for the bottom section at least 1/4 inch between the edge of the door and the tract?

Section 2 - Bug Blocker Door

  1. Is the Bug Blocker door's upper track in good condition?
  2. Is the upper track of the Bug Blocker door reinforced with angle to the point where it is solid without any side play? Parallel and perpendicular evenly spaced and properly braced.
  3. Does the Bug Blocker door have stop springs in the proper position at the top of the tracks? If the door does not sit against the stops in the up position adjustment of the torsion springs may be necessary.
  4. Are the hinges and roller bracket hinges on the Bug Blocker door in good condition?
  5. Are all the bolts and nuts on hinges and roller bracket hinges of the Bug Blocker door properly tightened?
  6. Are the rollers on the Bug Blocker door in good condition?
  7. Are the drums on the Bug Blocker door properly aligned to release cable evenly?
  8. When in the down position, is the side play 1/2 inch to 3/4 inch between the edge of the door and the track along the entire side?
  9. When in the up position, is the side play 1/2 inch to 3/4 inch between the edge of the door and the track along the entire side?
  10. Does the Bug Blocker doors have anti-slack cables at the bottom of the door where the cable attaches to the bottom bracket (springs on the lower attach point of cables on the bottom section)? if so, Are they in good condition?
  11. Does the slide lock need adjusting? Bent slide latches? Loose screws? Check inside of track for scratch marks, evidence of door being raised with slide lock not retracted.This will cause rollers to drop out and cables to jump.

Section 3- Switches (If Applicable)

  1. Is there any visual damage or excessive wear to the switch, switch paddle, or bolts?
  2. Have the switches been installed with sufficient bracing to prevent any twisting or turning?
  3. When toggled by hand, do the switch paddles have a crisp over center snap moving into both positions?
  4. When either door is being raised and it's rollers are going through the switch, do the switch paddles remain still and locked in place with movement?
  5. In the down position make sure the top roller is at the bottom of the switch.Correct or adjust any of the above conditions if needed.

For questions or other help with operation or maintenance please contact us today!

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