Craftsman 247.77641 Operator's Manual page 20

Problem
Cylinder rod will not
move
Cause
1. Brokendriveshaft.
2. Shippingplugsleft in hydraulichoses.
,
4.
Remedy
1. Returnunitto Searsservicecenter.
2. Disconnecthydraulichoses,
removeshippingplugs,reconnect
hoses.
,
Setscrewsin couplingnot adjusted
properly.
4.
Looseshaftcoupling.
See operator'smanualfor correct
adjustment.
Correctengine/pumpalignmentas
necessary.
5. Gearsectionsdamaged.
6. Damagedreliefvalve.
7. Hydrauliclinesblocked.
8. Incorrectoil level.
5. Returnunitto Searsservicecenter.
6. Returnunitto Searsservicecenter.
7. Flushand clean hydraulicsystem.
8. Checkoil level. Refillif necessary.
9. Damagedor blockeddirectionalvalve. 9. Returnunitto Searsservicecenter.
Slow cylinder shaft I
1. Gear sectionsdamaged. 1. Returnunitto Searsservicecenter.
speed while extendng
2 Excessivepumpinletvacuum. 2. Makecertain pumpinlethosesare
and retractng
c ear and unblocked.Useshort
" largediameter nlethoses.
3 Returnun t to Searsserv ce center
3. Slowengine speed.
4 Returnunt to Searsserv ce center
4. Damagedreliefvalve
5. ncorrecto' eve. 5. Checkoil level. Ref l if necessary.
6 Dran o c ean reservor and ref
6. Contaminated oil.
I 7 Returnun t to Searsserv ce center
7, Directional v alveleaking nternally.
8 Returnunitto Searsservicecenter.
8. nterna y damagedcy nder.
Leaking Cylinder
1. Brokenseals. 1. Returnunitto Searsservicecenter.
2. Scoredcylinder. 2. Returnunitto Searsservicecenter.
NEED MORE HELP?
You'll lind
the _n wel ahd more or_ m4_r_4_()emyhome corn - Io[ IFee
o Find this and all your other product manuals online.
o Get answers from our team of home experts.
Get a personalized maintenance plan for your home.
o Find information and tools to help with home projects.
brought to yo-g_ 'by Se_rs .....
_HHH_
_i!!!:!i!i!!!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!!i!i!! i!;¸
NOTE: This section addresses minor service issues. For further details, contact Sears service information line by calling
1-800-4-MY-HOME.
2O