Ingersoll-Rand SS3 User Manual download pdf (Page 7)

PROBLEM

Knocking or retlting

Lights flicker or dim when

running

Moisture in crankcase or

"milky" appearance in

pelroleum lubricant or rusling

in cylinders

Motor ovedoad trips or draws

excessive current

Motor will not start

Oit in discharge air (oil

pumping)

Oil leakinc 1from shaft seal

Safety/relief valve "pops"

POSSIBLE CAUSE

t, Loose beltwheel or motor pulley, excessive end play in

motor shaft or loose drive belts

2 Compressor valves leaky, broken, carbonized or loose

3, Carbon build-up on top elf piston(s)

4 Cylindei'{s} or piston(s) scratched, warn or scared

5 Connecting rod, piston pin or crankpln bearings worn or

scored

6 Defective ball bearings er_ crankshaft or motor shaft

1 Improper ttne voltage 1

2 Wiring or electric service panel too small

3 Poor contact on motor terminals or starter connections 2

4 lmproperstarterovedoad healers 3,

5 Poor power regulation (unbalanced line)

t Detergent type lubricant being used t,

2, Extremely tight duty cycles 2.

3. Unit located in damp or humid location 3,,

POSSIBLE SOLUTION

l Check beltwheel, motor pufiey, crankshaft drive bell tension

and alignment Repair or replace as required

2 lnspectvatves Clean or repleee as required

install valve kit

3 Clean plston{s) Repair or replace as required

4, Repair or replace as required

5 inspect all Repair or replace as required

6, inspect bearings and replace crankshaft assembly tf

required.

Check line re!rage and apgrade lines as required Contacl

electrician

install properly sized wire or service box Contact electrician

Ensure good contact on motor terminals or starter

connections

install proper starter overload heaters Contact eleclrician

Contact power company,

Drain exisling lubricanl and refill with proper lubricant

Run unit for longer duty cycles

Relocate unit

1, Lubricant viscosity too high

2. tmproper line voltage

3 Wiring or electric service panet toe smeIt

4o Poor contact on motor lerminats or starter connections

5,, tmproper starter evedoad heaters

6. Poor power regulation (unbalanced line)

7, Drive belts too tight or misaligned

8,, Compressor valves leaky, broken, carbonized or loose

9. Cylinder(s) or piston(s) scratche& worn or scored

t0,Oonnecttng rod, piston pin or crankpin bearings worn or

scored

i, Drain existing lubricant and refill with proper lubricant

2, Check line voltage and upgrade lines as required Contact

electrician

3,, Instafl properly sized w_re or service box Contact electrician

4 Ensure good contacl on motor lerminats or starter

connections

5, Install proper starter ovedcad heaters Contact electrician

6 Contact power company

7 Adjust begs lo proper tension and alignment

8 Inspect vafves, Clean or replace as required

Install valve kit

11,Defecgve ball bearings on crankshaft or motor shaft

12,Leaking check valve or check valve seer blown out

13,,Ambient temperature too low

14,Bad meter

1 Improper tine voltage

2 Wiring or electric service panel toosmatt

3 Poor contact on motor terminals or starter connections

4 Improper starter overload heaters

5 Bad motor

1 Lubricant viseosily toolow

2 Detergent type lubricant being used

3 Piston rings damaged or worn (broken, rough or scratched)

Excessive end g_p or side clearance

4, Piston rings not seated, are stuck In grooves or end gaps not

staggered,

g, Cylinder(s) or piston(s) scratched, worn or scored

6, Worn cylinder finish

7. Excessive condensate fn receiver tank,

1. Crankshaft seat worn or crankshaft scored,

1. Clogged or d_rty Inletandlordlschargeltneftlter

2,, Compressor valves leaky, broken, carbonized or loose

3, Defective safety/refief valve

9, Repair or replace as required

10 Inspect ell Repair or replace as required

11.Inspec¿ bearings and repla_ce crankshaft assembly if

required

f2 Replace cheek valve

13 Relocate unit to warmer environment

Install crankcase heater kit

Convert to synthetic lubricant

14.Replace

1 Check fine vottage and upgrade lines as required Contact

eteclrician

2 install properly sized wire or service box Contact electrician

3 Ensure good contact on motor terminals or starter

connections

4 tnsla]t proper starter overload heaters Contact electrician

5, Reptace

t Drain existing tubricanl and refitl with proper lubricant

2 Drain existing lubricant and refilI with proper lubricant

3 Install ring kil,

4 Adjust piston rings

5 Repair or replace as required

6 Deglazo cylinder with 180 grit ftex_hone

7 Drale recelver tank with manual dratnvalve

1, Replace seal or crankshaft assembly,

1. Clean or reptace,

2. Inspect valves. Clean or repface as required

Install valve ktt

3 Replace

1 2 3 4 5 6 7 8 9 10 11 12

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Ingersoll-Rand SS3 User Manual Page 7

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