Maintenance - Page 57
COPYRIGHT © 2019 SANDVIK MINING AND CONSTRUCTION OY
Hardfacing the jaw
RSS05R, RSS08R, RSS11R, RSS15R, RSS23R, RSS34R,
RSS45R, RSS58R, RSS80R
3. HARDFACING THE JAW
WELDING TOOLS
HARDFACING CRUSHER JAW
Welding must occur in a workshop with proper welding tools. If you must weld
the product when it is on the carrier, consult your carrier dealer for
precautions during welding.
Warning! Support the jaw to prevent it from closing unexpectedly during
maintenance.
1. Position the product on level ground.
2. Support the jaw.
3. Carefully remove the worn part by carbon arc gouging or by gas cutting at the
base. Note: Connect an earth cable to the part to be repaired.
4. Repair the parent by filling it with a welding rod and finish the surface by
grinding.
5. Preheat hardfacing area to 150 °C... (302 °F)200 °C (392 °F).
Item
Welding tool
Repair of parent
MIG-wire, DIN 8559: SG 2
Welding rod, DIN 1913: E 51 53 B 10
Hardfacing
MIG-wire, DIN 8555: SG 6 - 60
Welding rod, DIN 8555: E 6 - 55