Black Max BMA1FLH Quick Start Manual

WARNING:
To reduce the risk of injury, user must read and understand
the operator's manual for their string trimmer before using this
accessory. Always wear eye protection with side shields marked
to comply with Z87.1 along with hearing protection. Ensure
compatibility and proper fit before using this accessory. Stop the
string trimmer and remove the power cord (electric products),
remove the battery pack (cordless products) or remove the spark
plug wire (gas products) before changing or adjusting accessories.
WARNING:
Do not use this accessory if a part is damaged or missing. If you
are not comfortable performing any of the functions described in
these instructions, take your unit to an authorized service center.
Use of a trimmer head that has been improperly assembled could
cause the trimmer head to come apart and/or detach from your
trimmer and result in serious personal injury and/or property
damage.
PACKING LIST
See Figure 1.
Trimmer Head, Silver Nut (M8), Black Nut (M8), Red Knob, Black
Knob, Pre-Cut pieces of 0.095 in. Line (9), Locking Pin, Adaptor, and
Operator's Manual (not shown)
INSTALLING LINE
See Figures 2 - 3.
The trimmer head comes with 9 pieces of pre-cut of .095 in. trimmer
line. Look for replacement line where you purchased this product.
Use original manufacturer's .095 in. replacement line for best
performance.
 Hold the trimmer head upside down with the posts facing up.
 Fold a piece of pre-cut line in half so each half is 6.5 in. long.
 Insert the ends of the line through the eyelets in the post and pull
tight.
 Repeat with remaining posts.
INSTALLING TRIMMER HEAD
See Figures 4 - 7.
This fixed line trimmer head installs differently on different string
trimmer attachments. Assembly instructions will vary based on
the style and type of attachment you have. See figures 4 and 5 to
determine if you have a curved shaft or straight shaft attachment
and if your attachment comes with or without an arbor. Refer to
the Installation Chart to determine the appropriate items for your
attachment. Be sure to follow the instructions for your attachment
style and type.
NOTE: If you cannot identify the style and type of attachment you
have, contact customer service for assistance.
WARNING:
Failure to use the correct adaptor, nut, and/or knob combination
for your trimmer could cause the string head to detach from your
trimmer and result in serious personal injury and/or property
damage.
FIXED LINE
TRIMMER HEAD
BMA1FLH
 Stop the unit and remove the power cord (electric products),
remove the battery pack (cordless products) or remove the spark
plug wire (gas products).
 Following the instructions in the operator's manual for your string
trimmer, remove the old trimmer head.
 Locate the items required to install the trimmer head to your
attachment. Refer to the Installation Chart for details.
INSTALLATION CHART
If the trimmer head does not fit with any of the adaptors
or hardware supplied, contact Customer Service at
1-800-726-5760 for assistance.
Style Type Items Needed for Installation
Curved With Adaptor, Black Knob
Shaft Arbor and Trimmer Head Assembly
Curved Without
Silver Nut and Trimmer Head Assembly
Shaft Arbor
Straight With Adaptor, Red Knob
Shaft Arbor and Trimmer Head Assembly
Straight Without Black Nut, Locking Pin,
Shaft Arbor and Trimmer Head Assembly
For models with arbors:
 Install line as described in Installing Line.
 Install the adaptor onto the trimmer head.
NOTE: When installing, align the keys located on the underside
of the adaptor with the corresponding holes in the trimmer head.
 Slide the adaptor and trimmer head onto the arbor.
 Secure the trimmer head in place by pressing it down firmly and
installing the knob into the opening in the arbor.
For curved shaft models, install the black knob and turn clockwise.
Make sure knob is fully seated into arbor. Do not overtighten.
For straight shaft models, install the red knob and turn
counterclockwise. Make sure knob is fully screwed into arbor.
Do not overtighten.
For models without arbors:
 Insert nut (M8) into the hex pocket in the trimmer head, then twist
trimmer head onto the attachment.
For curved shaft models, insert silver nut and turn trimmer head
clockwise to secure. If necessary, use a wrench (not provided) to
hold the flange washer while tightening the trimmer head.
For straight shaft models, insert black nut and turn trimmer
head counterclockwise to secure. If necessary, use a wrench (not
provided) or locking pin to hold the flange washer while tightening
the trimmer head.
LOCKING
PIN
TRIMMER
HEAD
BLACK RED
KNOB KNOB
LINE
BLACK SILVER
ADAPTOR NUT NUT
EYELET
POST
EYELET
LINE
CURVED
SHAFT
STRAIGHT
SHAFT
Hart Consumer Products, Inc.
P.O. Box 1348, Anderson, SC 29622 USA
CURVED SHAFTS STRAIGHT SHAFTS
ARBOR
INSTALLATION FOR MODELS WITH ARBORS
Fig. 1
CURVED SHAFT STRAIGHT SHAFT
ARBOR
ADAPTOR
TRIMMER
Fig. 2
HEAD
RED
BLACK
KNOB
KNOB
INSTALLATION FOR MODELS WITHOUT ARBORS
CURVED SHAFT STRAIGHT SHAFT
Fig. 3
LOCKING
PIN
TRIMMER
SILVER
HEAD
NUT
Fig. 4
1-800-726-5760
www.blackmaxtools.com
ARBOR
Fig. 5
ARBOR
ADAPTOR
TRIMMER
HEAD
Fig. 6
TRIMMER
HEAD
BLACK
NUT
Fig. 7
998000026
9-13-19 (REV:01)