eebrake Instructions

eebrake Instructions
eebrake Instructions
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Page 1
General Safety Information:
•Warning: Improper use of your bike’s brakes may result in loss of control and an accident, resulting in serious injury. Learn to control and use your brakes
safely by practicing riding and braking techniques in a safe place. Read and follow these instructions. Keep these instructions for later use.
•Tighten brake nuts and bolts to the specified tightening torque. Over-tightening bolts may result in brake failure.
•Use grease as specified to protect parts against galling, wear and corrosion.
•Plastic bushings are designed to be used dry. Light oil lubricant is optional to facilitate smooth movement and is suggested when riding in wet conditions.
•Brake mounting bolts and nuts must be long enough to provide at least 5 full turns of engagement when mounting the brakes to the bike. Insufficient bolt
engagement may result in brake failure, an accident and serious injury.
•Always check your brakes to make sure the quick release is closed before riding your bike.
•Routinely check your brakes insuring they are in good working condition, checking the bolts for tightness and the cables for rust and fraying.
•Replace cables immediately if problems are found. Never ride your bike with loose, worn or damaged brakes including the pads. This may result in an
accident and serious injury.
•Do not allow oil or grease to get on the brake pads as this may result in an accident and serious injury.
•Use caution when riding in wet weather as tire traction is reduced and stopping distances are increased in these conditions. Ride at reduced speeds, apply
the brakes gently and allow greater distances to stop.
Installation:
Regular Mount Brakes.
This Steel Washer
Mounting Bolt
Grease Threads
Mounting the eebrake to the fork/frame. REGULAR MOUNT BRAKES (Single mounting bolt)
1. Install the brake with the thin steel washer on the frame/fork and apply grease to the bolt threads.
2. With a 5mm hex key install the mounting nut on the mounting bolt. Make sure the nut has
min. 5 turns of engagement on the bolt.
3. Approximately center the brake on the wheel with the link in the neutral position and tighten
the nut to 7 - 9 NM.(The link in the neutral position is 1mm - 2mm of link extending from the
link nut swivel.)The link is used for fine pad centering over a small range. Rough centering is
done in this step by rotating the brake on its main bolt.
Frame Fork
Mounting Bolt
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REMOVE THE CABLE BOLT FROM THE LEFT AXLE BEFORE TURNING THE
LEFT AXLE. TURNING THE LEFT AXLE WHEN CABLE BOLT IS INSTALLED
MAY CAUSE DAMAGE.
Cable Adj. Screw
Cable Adj. Wing Nut
Cable Adj. Pad
Lever Cradle
Lever
Strut
Link
Thin Axle
Washer
Axle Nut
Right Axle
Spring
Right Arm
Cable Bolt(Hidden)
Left Axle
Left Arm
Direct Mount Brakes. (Uses Shimano Direct Mount Standard)
Before starting the mounting procedure:
1. Rear brake: remove U shaped spring.
2. Cable bolt and plate must be removed.
3. Quick release must be put in the wheel release mode.
4. Remove wheels from the bike.
5. Install thin 6mm stainless steel washers provided on the mounting studs. Grease
stud threads.
Mounting Procedure:
1. Place brake to the fork/frame aligning the mounting studs to the corresponding
threaded holes on the frame/fork.
2. Engage a 6mm hex key in hex socket at the end of the left axle. Turn the axle 2
revolutions, screwing the stud into the frame/fork. Perform the same operation
on the right axle. Continue to screw in the bolts 2 revolutions at a time alternating
between the left and right axles until the axles bottom out on the frame/fork.
3. Engage the hex key in hex socket at the end of the left axle. Unscrew the axle a
partial revolution aligning cable mounting surface with lever cradle (see supplement).
4. Hold the left axle in the correct orientation and from rotating, using the hex key
engaged in the axle end. Using a13mm wrench, tighten the axle nuts to 5NM
pressing the mounting bolt washer firmly against the frame/fork. Double check
the axle orientation and cable mount surface alignment with the lever cradle.
5. Hold the right axle from rotating using the 5mm hex key engaged in the axle end.
Using a 13mm wrench, tighten the axle nuts to 5MN pressing the mounting bolt
washer firmly against the frame/fork.
6. Move the lever up and down with your hand - Checking that the brake actuates freely.
7. Install the Cable Bolt with the square washer.
8. Install the spring. Start by inserting the longer end with the flat spot (oriented
vertically) in the vertical slot on the left side arm. Rotate the spring down into
place and insert the short end in the right arm hole.
WHEN INSTALLATION OR ADJUSTMENT IS COMPLETE: CHECK THE BRAKES BY SQUEEZING THE BRAKE LEVER 10 TIMES VERY FIRMLY. RECHECK THE PAD
CLEARANCE AND THE FASTENERS FOR TIGHTNESS.
Installation Continued:
Page 2
Step 1: Cable housing and Cable Installation
Measure and cut the cable and housing to the correct length. When using "Low
friction coated cables: Scratch low friction coating off cable surface where it
contacts with the brakes prior to attachment.
Cable housing length keys:
The housing must be long enough to allow for free movement as the brake is
operated (As the eebrake is operated, the cable housing moves toward the brake).
Too short of housing will pull against the brake when operated and/or may not
allow the brake to fully open when released. The housing alignment / length is to
allow the cable adjuster to naturally seat in the lever cradle. Improper alignment
/ length will‘rack’ the cable adjuster in the lever. This hinders smooth brake
operation.
Note: When replacing other brakes with eebrakes, the correct length varies. As a
guide, the length is often 1/4” longer than the existing housing. Install the Cable
adjust pad in the Lever craddle hole. Place the long adjust pad leg in the slot
toward the center of the brake. (see instruction supplement) Install the
cable/housing into the cable adjust screw and lever as shown. Insert the brake
cable into the cable groove under square cable plate and bolt. While holding the
brake arms / pads in the relaxed brake position, tighten the cable bolt to 4NM.
Step 2: Brake Pad Centering on the Rim
Using the Link, rotate it using the small handle such that the pads are equal
distant from the rim (use fingers or 4mm hex key). Alternate link adjustment and
squeezing the brake lever to achieve the correct center adjustment.
The link is used for fine pad centering over a small range. Rotate the entire brake
for large center adjustments
See "Mounting" - step 1 for more info.
Step 3: Rim Width Setup
•Rims from 19mm to 28mm wide can be optimized to work with the eebrakes.
•eebrakes come set up for 23mm +/- width.
•Different rim widths are adjusted for through adding or removing spacer washers.
•Pad wear effects this setup. As pads wear, spacers may need to be added.
•The spherical washer must be used in all setups.
•Check that the spacer setup provide full lever movement without the lever
contacting the strut.
General spacer setups.
19mm to 20mm wide rims. Use 2 spacers on each side.
23mm to 24mm wide rims. Use 1 spacers on each side.
26mm to 28mm wide rims. Use 0 spacers on each side.
Step 4: Shoe Adjustment
The eebrake pad holder allows for “toe-in” and “Camber”. With the shoes slightly
loose, set the pads to correctly contact the rim centering it on the brake track.
This can be facilitated by squeezing the brake locking the pads in the correct
position on the rim. Then fix the shoes to the arms by tightening the shoe bolts to 4NM.
Pad Installation:
USE SHIMANO STYLE PADS ONLY! PADS MUST FIT SNUGLY. DO NOT USE PADS
THAT FIT LOOSE AS THEY MAY FALL OUT WHILE RIDING AND RESULT IN LOSS OF
BRAKING.
The eebrake uses a patented tool-less design that features a raised boss to retain
the pad in the shoe.
Install the pad by sliding the pad from the rear of the shoe to front of the shoe with
the pad heal raised above the shoe bottom to clear the raised boss.
Note with very tight fitting pads, a tiny bit of light oil may be placed on the sides
pad to ease the sliding.
Once the pad is slid all the way to the front of the shoe, press the pad firmly,
seating it completely in bottom of the shoe.
Rounded edge of the shoe must be oriented forward with wheel rotation. If
installed incorrectly, pads will dislodge from shoe.
Pad removal
Lift / pry the “heel” of the pad out of the shoe until it clears the raised boss. Then
slide the pad out toward the rear of the shoe until the pad is free.
Cable Adj. Screw
Cable Adj. Wing Nut
Cable Adj Pad
Lever Cradle
Lever
Strut
Link
Right Axle
Quick Release
Step 2
Cable Bolt
Hidden
Left Axle
Left Arm
Shoe Bolt
Quick Release
Step 1
Right Arm
Spring
Spacer
Spherical washer
Shoe
Pad
Step 5: Pad Clearance Adjustment
The pad clearance is set by turning the cable adjust Wing nut. Detented
Adjustments are made in 1/2 turns leaving the Wings always oriented front
and back (shown). Set pads to be 1.5mm to 2mm from the rim on each
side. Lubricate the adjust pad where it contacts the adjust screw with thin
grease or oil.
Step 6: Quick Release
The “quick release” is operated by first lightly pressing the lower left brake
arm / pad against the rim and then lifting up on the tip of the strut. This
allows the left arm to rotate away from the rim for wheel removal and
replacement. The quick release is put back to “ride mode” by pushing the
lower left brake arm back against to rim and pushing the strut back down
to engage with the top of the left brake arm. Then release the lower brake
arm. Note when the quick release is operated, the brake is not functional.
Take care the operation of the quick release to make sure it is in the ‘ride
mode’ before riding.
Rounded edge oriented
towards foward wheel
direction.
Pad Retention
Boss
Step 2
Step 1
WHEN INSTALLATION OR ADJUSTMENT IS COMPLETE: CHECK THE BRAKES BY SQUEEZING THE BRAKE LEVER 10 TIMES VERY FIRMLY. RECHECK THE PAD
CLEARANCE AND THE FASTENERS FOR TIGHTNESS.
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