Date: 25/10/2018
SITE PROTOCOL
Equipment: 100T / 10T (Electric Hoist) x 14 M Span DG EOT Crane
Sale Order NO: 14522
Location: Power House - Rasuwagadhi Hydro Power Plant
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1) Megger Test for Motors with Testing Equipment: 500V Megger
Sr.
Sequence of check R-E Y-E B-E
No.
1. Main Hoist 20 M Ohms 22 M Ohms 21 M Ohms
2. Cross Travel-1 8 .5 M Ohms 8 M Ohms 8 .5 M Ohms
3. Cross Travel-2 10 M Ohms 9.5 M Ohms 10 M Ohms
4. Long Travel -1 12 M Omhs 10M Ohms 10 M Ohms
5. Long Travel-2 8 M Ohms 10 M Ohms 9.5 M Ohms
6. 10 Hoist - Hoist Motor 50 M Ohms 45 M Omhs 48 M Omhs
7. 10T Hoist CT motor 15 M Omhs 12M Omhs 15 M Omhs
2) Checks for Safety Limit Switches / Interlocks on Crane:
Sr.
Description Remark
No.
1 Counter gravity limit switch Ok
2 Main Hoist Rotary Gear Limit Switch for UP & DN Motion Ok
3 MH Slack rope Limit Switch under the Rope Drum Ok
4 Cross Travel Roller Lever Limit Switch for CT FWD & REV Motion Ok
5 Long Travel Roller Lever Limit Switch for LT Left & Right Motion Ok; Strikers to be set at both end.
6 Master Controller Zero Position Interlock Ok
7 4 nos. Crane Corner Switches Ok
8 Emergency Stop in Cabin / On Pendent / On RRC Ok
9 10T Hoist Gravity Limit Ok
10 10T Hoist Rotary Gear Limit for UP & DN Motion Ok
11 10T Hoist Roller lever Limit for CT FWD & REV Motion Ok; Strikers to be set at both end.
12 Complete Operation of Crane & 10T Hoist
From Operator Cabin Ok
From Pendent Ok
From RRC Remote Ok
