Godwin HS150 - 5.3 Hoses; Operation; 6.1 Starting; 6.2 Draining

Book No.: 95-0014-0000/A OPERATOR
Issue: 06 HANDBOOK
Page 7 of 30
5.3 Hoses
Maximum recommended hose lengths are: -
Pump
Flow Rate
GPM(Imperial)/ litres per min
Hose length
Metres/feet
HS80
2.6 / 12
35 / 115
2.4 / 11
45 / 148
2.2 / 10
50 / 164
2.0 / 9.2
65 / 213
The lengths are for ½”nominal bore hose with SAE 10 oil at 15°C. They may be increased by 50% if
¾”nominal bore hoses are used.
HS100
9.6 / 36.4
15 / 49.2
9.0 / 34.0
20 / 65.5
8.5 / 32.0
30 / 98.5
8.1 / 29.5
35 / 115
6.8 / 25.5
40 / 131
The lengths are for 5/8”nominal bore hose with SAE 10 oil at 15°C. They may be increased by 50% if
¾”nominal bore hoses are used.
HS150
14.7 / 55.8
20 / 65.5
(3)
14.5 / 55.0
30 / 98.5
(3)
13.7 / 52.0
35 / 115
(3)
13.0 / 49.0
40 / 131
(3)
The lengths are for 3/4” nominal bore hose with SAE 10 oil at 15°C. They may be increased by 50% if 1”
nominal bore hoses are used.
Long hose lengths result in high back pressure in the return line
Table 1 Recommended hose length table
6 OPERATION
6.1 Starting
1. Before starting a system, the three-way valve (see Figure 1) is turned to direct the flow back into the reservoir.
2. Start the prime mover. This immediately starts the hydraulic pump. The flow should be allowed to continue back
into the reservoir for a few minutes to allow the system to warm and enables visual checking for leaks or faults.
3. Operate the three-way valve to direct the flow to the hydraulic motor and product pump.
4. Vary the speed of the prime mover to regulate the product pump.
CAUTION. The three way valve should never be used to control the speed of the hydraulic motor and product
pump. This will lead to overheating of the hydraulic fluid and consequential failure.
6.2 Draining
A pump situated in a position where it could be exposed to frost must be drained when that possibility exists unless
steps have been taken to alleviate the condition.
CAUTION. Failure to drain the pump and non-return valve in these conditions could result in the pumped
product residue freezing and cracking the casing.
It should also be drained if it is to be stopped for an extended period.
6.3 Storage Procedure
Disconnect the pump from the pipelines.
Allow air to circulate and try to ensure that the body is completely dry internally.
A proprietary flushing/protective fluid may be used if required. Ensure that this is compatible with any pump residue
before using it.
Place the pump to a cool dry storage area.