Attaching Backsaver Version 1.5 to Dewalt Hammer Drills
(Check Model #’s for coordinating instructions)
SDS Max Rotary Hammer: Model# D25701K – 1 7/8” Model# D25761K – 2”
Model# D25721K – 1 7/8” Model# D25762K – 2”
Model# D25723K – 1 7/8” Model# D25763K – 2”
(Adapter sold separately, required for all above listed models)
(Two 9/16” wrenches required for adapter assembly)
Getting started:
1.
Secure adapter (purchase separately) to the attachment at the Anchor Bolt #2 (M) location
with the two nuts and two bolts supplied with the separately purchased adapter. The bolts
should be torqued to 37 ft. lbs.
Lay hammer drill with left side up and loosen Clamp Knob (S)
2.
Move Removable Side Handle (R) to a 90⁰ angle
3.
Unscrew Side Handle (R) and remove. Be sure to leave Clamp Knob (S) loose until drill
attachment is in place
4.
Place Backsaver over hammer drill and align holes over Anchoring Points (P & Q).
5.
Manually begin to screw in Anchor Bolts (K & M) making sure not to cross thread – start bolt
next to Anchor Point #1 (P) first. Tighten with Allen Wrench stored on Leg Pad (F)
6.
IMPORTANT – Re-secure the Clamp Knob (S) so it does not spin
7.
Using Allen Wrench, attach the Leg Pad Arm (E) and tighten bolts
8.
Attach Leg Pad (F) to the Leg Pad Arm (E)
9.
Adjust the height of the Leg Pad Arm (E) to desired height on the leg. Works best if on the
thigh
10.
Loosen the nut that secures the Trigger Actuator Pad (J); turn the Trigger Actuator Pad 90⁰
and secure Trigger Actuator Pad (J) in new position by tightening the nut
11.
The Trigger Actuator (H) is pre-set and should be ready to use
12.
Hold the attachment by the Rubber Grip (B) and pull the Lever Actuator (C) to make sure it
engages and releases the Hammer Drill Trigger (O)
a. If it does not actuate the Hammer Drill Trigger (O), or the Trigger stays engaged, the
Cable (G) will need to be adjusted
14. To adjust the Cable (G):
a. Loosen the Cable Anchor Nut (I) on the Trigger Actuator Arm (H)
b. Pull the Cable (G) so the Trigger Actuator Pad (J) is ¼” from Hammer Drill Trigger (O)
c. Re-secure Cable (G) by tightening Cable Anchor Nut (I) on Trigger Actuator Arm (H)
15.
Before plugging in, make sure bolts (K,M) are tightened, the Clamp Knob (S) is secured and
the Trigger Actuator Arm (H) is working properly
a. When the Trigger Actuator Arm (H) is engaged, there will be a clicking sound the
hammer drill makes when the Lever Actuator (C) is pulled and released
Relax. . . Save your back!!
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