11/19
CHAPTER7MAINTENANCE
7.1BOLTS&NUTS
Allbolts&nutsshouldbecheckedbeforeeveryusing,pleasefasteninordersaccordingly(Unit:kg.m).
Items Unit ThroughBolt SideBolt ChargingValve Acc.Body Acc.Cover
TH‐SSL Kg.m 40 100 35 * *
TH‐35 Kg.m 40 100 35 * *
TH‐50 Kg.m 40 100 35 * *
TH‐80 Kg.m 40 145 35 * *
TH‐120 Kg.m 40 170 35 * *
TH‐140 Kg.m 160 180 35 * *
TH‐200 Kg.m 240 280 35 * *
TH‐300 Kg.m 280 300 35 60 45
Warnings!
WhenreplacingmorethantwothroughboltsordismantlingtheHammer,pleasefollowthesteps:
Beforeall,emptytheNitrogenintheN2chamber.
Looseallbolts,includingtheboltsnoreplacingneeded.
Fastentheboltsinorders,A→D→B→C.
7.2N2CHAMBER
&ACCUMULATOR
(SeeChapter6)
7.3HYDRAULICOIL
Pleasechoose No.68hydraulicoil for Coldweather andNo.46hydraulicoil for hotweather.Oil shouldbe clean & sufficient
duringworking.DirtyoilwillcausedamagestotheHammer.Whenoilleaks,pleasechangesealkitintime.
To Next Page
