Townsteel TDC 70 series Door Closer Instruction Manual

Townsteel TDC 70 series Door Closer

Product Information

• Product Name: Surface Mounted Adjustable & Preset Back-check TDC 70 Series
• Hold-Open: No, Hold-Open Optional BF/DA

Product Usage Instructions

Closer Adjustment
Closing arcs (CLOSE and LATCH) are controlled by two-speed adjusting valves:

1. Closing Speed Adjustment: Turn the speed adjusting valve clockwise for a slower close arc closing speed and counterclockwise for a faster close arc closing speed.
2. Latch Speed Adjustment: Turn the speed adjusting screw clockwise for a slower latch arc closing speed and counterclockwise for a faster latch arc closing speed.

CAUTION:
Do not turn the speed adjusting valve more than two full turns counterclockwise from its factory set position.

Backcheck Control
To increase backcheck intensity, turn the backcheck control valve clockwise. To decrease backcheck intensity, turn the backcheck control valve anticlockwise.

Spring Power Adjustment
To increase opening and closing force, turn the spring adjusting the nut clockwise. To decrease force, turn it anticlockwise.

Adjustable Spring Models

FAQ

How do I adjust the spring power of the door closer?

To increase opening and closing force, turn the spring adjusting the nut clockwise. To decrease force, turn it anticlockwise.

What is the factory preset size of the TDC 70 Series closers?

The closers are shipped as size 3. Rotate the spring adjustment nut counter- clockwise 3 turns to reduce to size 2. Rotate clockwise to increase spring power, with a maximum of 10 turns to attain size 6.

How many full turns should I make when adjusting the closer size?

The maximum adjustment is approximately 20 full turns. Do not forcibly extend adjustment beyond limits.

INSTALLATION INSTRUCTIONS

Installation Instructions for REGULAR ARM(PULL SIDE) Mounting

• Right-hand door shown
• Left-hand door opposite
• Do not scale drawing

INSTALLATION INSTRUCTIONS

1. Select the degree of opening from the table and use the template dimensions shown above, mark six(6) holes on the door for the door closer and two(2) holes on the frame for the arm shoe.
2. Drill pilot holes in door and frame for #14 all-purpose screws or drill and tap for 1/4-20 machine screws.
3. Install adjustable forearm/arm shoe assembly to frame using screws provided.
4. Install the main arm to the top pinion shaft using the screw provided.
5. Mount closer on the door using screws provided. SPRING POWER ADJUSTING NUT MUST BE POSITIONED AWAY FROM THE HINGE EDGE.
6. Adjust the length of the adjustable forearm so that adjustable forearm is perpendicular to the frame when assembled
7. Snap the pinion cap over the shaft at the bottom of the closer. (When using full cover, pinion cap is not necessary)
8. Adjust the closing speed, back check control, and spring power of the door.

Top View Typical Installation

installation instructions for TOP JAMB (PUSH SIDE) Mounting

• Left-hand door shown
• Right-hand door opposite
• Do not scale drawing

INSTALLATION INSTRUCTIONS

1. Select the degree of opening from the table and use the template dimensions shown above, mark six(6) holes on the door for the door closer and two(2) holes on the frame for the arm shoe.
2. Drill pilot holes in door and frame for #14 all-purpose screws or drill and tap for 1/4-20 machine screws.
3. Install adjustable forearm/arm shoe assembly to frame using screws provided.
4. Install the main arm to the top pinion shaft using the screw provided.
5. Mount the closer body on the frame using the screw provided, SPRING POWER ADJUSTING NUT MUST BE POSITIONED AWAY FROM HINGE EDGE.
6. Adjust the length of the adjustable forearm so that the adjustable forearm is perpendicular to the door when assembled to the preloaded main arm (illustration below). Secure forearm to the main arm with the screw provided.
7. Snap the pinion cap over the shaft on top of the closer. (When using full cover, a  pinion cap is not necessary)
8. Adjust the closing speed, backcheck control, and spring power of the door.

Top View Typical Installation

installation instructions for PARALLEL ARM(PUSH SIDE) Mounting

• Left-hand door shown
• Right-hand door opposite
• Do not scale drawing

INSTALLATION INSTRUCTIONS

1. Select the degree of opening from the table and use the template dimensions shown above, mark six(6) holes on the door for the door closer and four(4) holes underside of the frame for the bracket.

2. Drill pilot holes in the door and frame for #14 all-purpose screws of drill and tap for 1/4-20 machine screws.

3. Mount closer on the door using screws provided. SPRING POWER ADJUSTING NUT MUST BE POSITIONED TOWARD THE HINGE EDGE.

4. Install a parallel Arm Bracket to the frame using the screws provided.

5. Using a wrench on the square shaft at the bottom of the shaft on top of closer, rotate the shaft approximately 45 ° toward the hinge edge of the door. Hold and place the main arm of the shaft on top of the closer at the proper index mark as illustrated.
   FOR LEFT-HAND DOOR “L”(illustration”A”). FOR RIGHT-HAND DOOR “R” (illustration B”). Tighten the arm screw with the lock washer securely.

6. Remove the arm shoe from the forearm and discard it (the arm shoe is not used for parallel installation) and tighten the screw securely.

7. Adjust the length of the adjustable forearm so that the adjustable forearm is parallel to the frame.

8. Snap a pinion cap over the shaft at the bottom of the closer (when using full cover, a pinion cap is not necessary)

9. Adjust the closing speed, backcheck control, and spring power of the door.

Top View Typical Installation

CLOSER ADJUSTMENT

CLOSING CYCLE

NOTE:
Closing arcs (“CLOSE” and “LATCH”)are controlled by two(2) speed-adjusting valves adjust the CLOSING speed first. then adjust the LATCHING speed.

1. “CLOSING” speed adjustment is accomplished by full rotations of the speed adjusting valve.
   • Turn the speed adjusting valve CLOCKWISE for a SLOWER CLOSE arc closing speed.
   • Turn the speed-adjusting valve COUNTER-CLOCKWISE for a FASTER CLOSE arc closing speed.
2. “LATCH” speed adjustment is accomplished by full rotations of the speed-adjusting valve.
   • Turn the speed-adjusting screw CLOCKWISE for a SLOWER Latch arc closing speed.
   • Turn the speed-adjusting screw COUNTER-CLOCKWISE for a FASTER Latch arc closing speed.

CAUTION!
Do not turn speed adjusting more valves than two(2) full turns counter- clockwise from its factory set position, as two speed adjusting valves could become dislodged from the door closer body, resulting in the loss of internal fluid and failure of the device.

BACK CHECK CONTROL

• To increase back check intensity, turn back check control valve clockwise.
• To decrease back check intensity, turn back check control valve anticlockwise.

SPRING POWER CONTROL

• To increase opening force and closing force. turn the spring adjusting the nut clockwise.
• To decrease opening force and closing force,turn the spring adjusting the nut anticlockwise.

FULLY ADJUSTABLE SPRING
TDC 70 SERIES CLOSERS ARE SHIPPED AS SIZE 3. ROTATE SP RING ADJUSTMENT NUT COUNTERCLOCKWISE 3 TURNS TO REDUCE TO SIZE 2. ROTATE SPRING ADJUSTMENT NUT CLOCKWISE TO INCREASE SPRING POWER.MAXIMUM 10 TURNS TO ATTAIN SIZE 6.

OPENING CYCLE

ADJUSTABLE SPRING MODELS

The closer preset size 3 when out of the factory.

NOTE:
MAXIMUM ADJUSTMENT IS APPROXIMATELY 20 FULL TURNS. DO NOT FORCIBLY EXTEND ADJUSTMENT BEYOND LIMITS.

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