Systems and Equipment - 170 JT40/JT40 All Terrain Operator’s Manual
Hydratong Wrenches
3. Attach Hydratong in either the join or break position.
• Attach chain tongs (1) to both sides of joint. Place tongs as close to joint as possible.
• Remove snapper pins (2) from slide pins (3), and insert slide pins into wrench handles (4).
• Attach each end of hydraulic cylinder (5) to slide pins and insert snapper pins.
4. Remove all slack from wrench and joint.
5. To join, use the scribe line method to prepare joints for proper tightening. See “Scribe Line Method” on
page 171.
6. Connect Hydratong power pack to cylinder..
7. To tighten or loosen joint, move shuttle valve
handle (2, shown) toward the A position on pump
and press power switch (1, shown) to extend
cylinder.
8. To reposition chain tongs and continue tightening
or loosening joint, move handle to the B position
and then press power switch to retract cylinder.
9. Monitor gauge (3, shown) and refer to decal on
pump to achieve the approximate torque value.
10. Move handle to center (neutral) position to relieve pressure.
11. Disconnect hoses and remove Hydratong components.
Join Break
IMPORTANT: Ensure arms are crossed before using wrench.
IMPORTANT: Gauge gives an estimate of
torque. Use scribe line method to verify
proper make-up torque.