JHT Operator’s Manual Rev 0117 Page 13 of 17
2. Tighten retaining screw with pliers
3. Tighten adjustment screw with 2mm allen key to remove
slack from the cable. Note that some slack in the
mechanism is normal.
USING THE JHT
1. Ensure Hammer/Breaker is secure and cannot rotate.
2. Position and angle before commencing work.
To change angle - lift handles to take weight off lock
mechanism then pull the brake lever to disengage the
lock mechanism. Lift or lower the height of the handles
to achieve the desired angle of jackhammer then
release brake lever to reengage the lock mechanism.
3. Never allow Hammer/Breaker or moil to overheat.
4. Switch on Hammer/Breaker with trigger
5. Refer to Hammer/Breaker Instruction Manual for more
detail on operation and service