Hydromatic SK75 Installation And Service Manual Download Page 2

2

Thank you for purchasing your
Hydromatic

®

pump. To help

ensure years of trouble-free 
operation, please read the 
following manual carefully.

Before Operation: 

Read the following instructions
carefully. Reasonable care and
safe methods should be practiced.
Check local codes and 
requirements before installation.

Attention: 

This manual contains important
information for the safe use of
this product.  Read this manual
completely before using this
product and refer to it often for
continued safe product use.
DO NOT THROW AWAY OR
LOSE THIS MANUAL.  Keep it
in a safe place so that you may
refer to it often.

WARNING: Before handling
these pumps and controls,
always disconnect the power
first. Do not smoke or use 
spakable electrical devices or
flames in a septic (gaseous) or
possible septic sump.

To reduce risk of electrical shock:

1.

Risk of Electrical Shock:

This pump has not been

investigated for use in 
swimming pool areas.

2. 

Risk of Electrical Shock:

Connect only to a properly

grounded receptacle.

Septic tank should be vented

in accordance with local
plumbing codes.

Do not smoke or use sparkable

electrical devices or flame in a
septic (gaseous) or possible
septic sump.

If a septic sump condition may

exist and if entry into sump is
necessary, then (1) provide
proper safety precautions per
OSHA requirements and (2) 
do not enter sump until 
these precautions are strictly
adhered to.

Do not install pump in location

classified as hazardous per
N.E.C., ANSI/NFPA 70 - 2001.

Failure to heed above  cautions

could result in injury or death.

General
Information

Pump
Warning

NOTE: Some city regulations
do not allow installing a
pump with plastic pipe.
Check local regulations.

5. In applications where the

pump may sit idle for 
months at a time, it is 
recommended that the pump(s)
be cycled every month to
ensure the pumping system is
working properly.

6. A Hydromatic check valve

should be installed in the 
discharge pipe.

7. An audible alarm system 

for high water conditions
should be installed in every
pump for greater protection.
Contact 

your Hydromatic

distributor for proper control
panel. 

NOTE: Wire pump(s) and
panel are to comply with
local and state codes.

8. Use pump partially or 

completely submerged for
pumping waterlike liquids
(temperature to 140° F). The
SK75/100 will pump solid
materials up to 2" (spherical)
in diameter. This pump has not
been investigated for use in
swimming pool areas.

9.

CAUTION:

Do not pump

flammable liquids. Strong
chemicals or salt water should
not be pumped without 
consulting your Hydromatic
distributor for proper seals 
and coatings.

Installation
Instructions

These important instructions must
be followed for satisfactory 
performance of your pump.
Before installation, check your
local electrical and plumbing
codes.
1. Provide proper pit on sewage

tank. Run time minimum is
two minutes. For maximum
pump life, three minutes is 
recommended.

2. Make sure sump is free of

string, cloth, nails, gravel, etc.
before installing pump.

3. Do not set pump directly on

the bottom of sump if it is not
solid. Raise the pump by 
placing bricks or concrete
blocks underneath it.

4. Use steel or plastic pipe for all

connecting lines between
pump and sewer outlet.

Summary of Contents for SK75

Page 1: ...age Ejector Pumps SK75 100 NOTE To the installer Please make sure you provide this manual to the owner of the pumping equipment or to the responsible party who maintains the system Pump Installation and Service Manual ...

Page 2: ...ed above cautions could result in injury or death General Information Pump Warning NOTE Some city regulations do not allow installing a pump with plastic pipe Check local regulations 5 In applications where the pump may sit idle for months at a time it is recommended that the pump s be cycled every month to ensure the pumping system is working properly 6 A Hydromatic check valve should be installe...

Page 3: ...3 Pump Installation Simplex SK75 Duplex SK100 40 0 10 20 30 0 32 64 96 128 160 192 TOTAL DYNAMIC HEAD FEET CAPACITY U S G P M 3 4 HP 1 HP ...

Page 4: ...se when you re looking at the impeller Correct improper rotation on three phase pumps by reversing any two line leads No rotation check is necesary on single phase pumps 8 Closed discharge gate valve 9 Plugged impeller or pipeline 10 Discharge head may be too high Check elevation against design point of pump 11 Floats not hanging free in the sump 12 Malfunctioning floats WARNING Be certain power t...

Page 5: ...s for 230 volt motors touch one probe to the white lead and the other probe to the stator laminations for only one second Buzzing will indicate arcing is occurring at a breakdown of insulation or a small amount of moisture is present The stator will then have to be dried out or replaced The high pot test is very destructive So each time the same stator is checked the voltage should be lowered abou...

Page 6: ...ler 15 on the pump shaft On the three phase models fasten the impeller washer 17 with the impeller screw 16 to the pump shaft 10 Turn impeller 15 It should turn freely with no drag 11 Set the seal housing and motor housing assembly into the volute case 14 and secure with three hex head screws 11 12 Reach in the eye of the volute 14 and turn impeller 15 again It should turn freely with no drag 13 I...

Page 7: ...0 1 Motor 1 HP 200 3 60 1 10838 700 1 Motor 1 HP 575 3 60 1 8 19100A012 Cap Screw 4 9 77 003 1 O Ring 1 10 12709 000 2 Adaptor Ring 1 11 101 010 1 Cap Screw 3 12 77 003 1 O Ring 1 13 5677 000 3 Clamp Ring 1 14 6818 002 2 Volute 1 15 7187 101 2 Impeller SK100 1 7187 102 2 Impeller SK75 1 16 984 001 1 Machine Screw 3Ø only 1 17 7532 003 1 Roll Pin 3Ø only 1 19 14525A010 Shaft Seal 1 20 324 001 1 Gas...

Page 8: ...disposition Any transportation charges involved in such disposition shall be for the Buyer s account The Buyer s exclusive and sole remedy on account or in respect of the furnishing of material that does not conform to this contract or to this written warranty shall be to secure replacement thereof as aforesaid Hydromatic shall not in any event be liable for the cost of any labor expended on any s...

Reviews: