1. Bolt enfiahna
Slewing drive hman tan a nih hnuah kum tin bolt te hi enfiah thin tur a ni. Darkar 100 vel hman hnuah bolt te chu torque tarlan angin re-tighten leh rawh. Operating condition danglam takah chuan inspection hi tih tlem theih a ni. Bolt loose hmuhchhuah a nih chuan bolt, washer leh nut zawng zawng thlak nghal vek tur a ni.
2. Lubrication tih hi a ni
Slewing drive component zingah hian slewing bearing-a raceway leh tapered roller bearing te chu factory-ah pre-greased a ni. Worm leh slewing bearing inkar contact area hian hman hmain grease a mamawh a ni. Factory-ah pre-greased ni mah se, machine hnathawhna a nghawng loh nan installation laiin re-grease tihfel tur a ni.
