Load Chain Specifications (See Figure 12); Removing The Load Chain - R&M LOADMATE LM16 Installation And Maintenance Manual

LM16-20-25 I&M MANUAL/EN/11.30.2010
6.6

Load Chain Specifications (see Figure 12)

Table 3. Load Chain Specifications
Hoist Type:
Chain Specification:
Chain type:
Diameter (ød) x pitch (t):
Length over 11 links (11t):
Class:
Grade:
Maximum working stress:
Hardened surface:
Thickness:
Standard:
Marking (10 x t):
Maximum working load, 1
fall:
Breaking load:
Maximum breaking stress:
Total breaking elongation:
Weight for 100 links:
6.7

Removing the Load Chain

1-FALL CHAIN
1. Remove load from hook block assembly.
2. Remove load block assembly from load chain. Some disassembly of 1-fall load block is required.
3. Attach the chain insert tool to the end of bottom block end of the chain.
4. Run hoist in " UP " direction until all of chain is in container. Stop the hoist with the insertion tool
remaining in the hoist ready for the new chain.
5. Remove chain container with all of old chain in chain container.
6. Remove fall stop from old chain and save for use with new chain.
2-FALL CHAIN
1. Remove load from hook block assembly.
2. Run hoist in " UP " direction until hook block assembly is about 1.0 foot [30cm] from hoist body.
3. Unfasten load chain from chain anchor mounted on hoist body.
4. Remove load block assembly from load chain by allowing chain to run through it. Attach the chain
insertion tool to the bottom block end of the chain.
5. Run hoist in " UP " direction until all of the chain is in the container. Stop the hoist with the insertion tool
remaining in the hoist ready for the new chain.
6. Remove chain container with old chain.
7. Remove fall stop from old chain and save for use with new chain.
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LM 16
Load chain - 9.0 x 27.0
Standard
0.3543 x 1.0629 in [9.0 x 27.0
mm]
11.6929" [297 mm]
DAT
H8S or HE G80 RAS
2
123.4 N/mm
580 or 700 HV
0.18 to 0.45 mm
DIN 5684 – 8
1 or 16
H 8 S or A 8
3527 lbs. [1600 kg]
93 Kn
2
116,030 lbs/in (800 N/mm
>10% min.
1.8 kg
LM 20/LM25
Load chain - 11.3 x 31.0
Standard
0.4449 x 1.2205 in [11.3 x 31.0
mm]
13.4251" [341 mm]
DAT
H8S or HE G80 RAS
2
122.3 N/mm
580 or 700 HV
0.21 to 0.52 mm
DIN 5684 - 8
1 or 16
H 8 S or A 8
3 STONS/6000 lbs. [2722 kg]
160 kN
2
) 116,030 lbs/in
>10% min.
2.85 kg
2 2
(800 N/mm )
30/73