Hubbell Work Light K 21 User Manual

INSTALLATION and MAINTENANCE INSTRUCTIONS  
“K-21” DUAL HOSE REEL-DIRECT DRIVE  
All units are provided with right hand rotation unless otherwise  
specified. This means that hose is pulled off spool top left or bottom  
right (spool rotates clockwise to wind hose) when viewing spring  
end of reel. See diagram on parts page.  
WARNING  
Some reels with large or multiple springs are equipped  
with a ratcheted adjustment wrench. Follow separate  
instructions for its use. Failure to use ratcheted wrench, on  
Clock-type springs provide power for automatic hose take-up.  
Spring must be pretensioned at time of installation to insure  
that tension is applied to hose at all times. A tension adjustment  
spanner wrench is provided with each reel.  
reels so equipped, could result in serious personal injury.  
MAINTENANCE  
Periodically:  
A. Inspect hose for wear and check mounting bolts and other  
hardware for tightness.  
WARNING  
“IN” with 2/3  
BROKEN SPRING  
If machine pull reel, move machinery to position  
closest to reel before adjusting spring tension.  
Adjusting tension with hose extended may result in  
damage to reel or personal injury.  
B. Check for broken springs  
cable off reel–  
SPRING OK  
INDICATORS  
by pulling about 2/3 hose off  
reel and observing “Broken  
Spring Indicators” on sides  
of spring canisters (Fig. 3).  
NOTE: Bearings and  
springs are prelubricated  
and require no periodic  
maintenance.  
“OUT” with 2/3  
cable off reel–  
SPRING  
BROKEN  
INSTALLATION  
Figure 3  
1. Install hoses if reel was purchased without hoses. See  
instructions on page 4.  
WARNING  
2. Insure that machinery to be serviced by reel is at  
position closest to reel.  
Do not attempt to remove spring from its housing. Clock  
type springs can be dangerous to handle. Removal  
of spring from housing could result in personal injury.  
3. Securely mount reel in desired position using 1/2"(M12).  
Be sure spool is aligned with hose run.  
4. Connect free end of hoses to connections on machine.  
SPRING REPLACEMENT  
5. Connect flexible supply lines to swivel fitting. See HOSE  
INSTALLATION REFERENCE DRAWING.  
The unique SAFETYCHANGE® spring motor consists of a spring  
and hub sealed within a housing. A replacement spring is supplied  
sealed in its housing and the old unit should be  
discarded completely.  
NOTE: Do not hard plumb to swivel fitting.  
6. Remove cover plate on spring housing to expose  
shaft and spring hub. (See Figure 1).  
1. Turn off supply pressure to reel.  
7. Insert spanner wrench into holes in spring hub (Fig 2). Rotate  
spanner wrench counter-clockwise. Number of 360° turns  
should match last digit in model number on serial plate.  
2. Insure that machinery to be serviced by reel is at  
position closest to reel. Disconnect hose from  
machine connections.  
SPRING  
HOUSING  
COUNTERCLOCKWISE  
FOR STANDARD  
ROTATION  
3. Wind all hose onto reel to relieve all spring tension.  
4. Remove inspection cover from face of spring housing.  
COVER  
PLATE  
5. Rotate spool clockwise and observe inner shaft.  
Shaft should rotate clockwise and hub (with  
spring attached) should remain stationary.  
NOTE: Do not attempt to remove spring if resistance is met  
or hub tends to rotate with shaft. Continue to rotate spool and  
strike end of shaft several sharp blows with a rubber mallet until  
shaft rotates freely and hub remains stationary.  
SPRING  
HUB  
SPANNER  
WRENCH  
Figure 1  
Figure 2  
CAUTION  
6. Remove (4) bolts which secure spring motor to frame.  
7. Slide spring motor off shaft and discard.  
Do not exceed number of turns indicated on serial  
plate. Over-tensioning can cause a broken spring,  
sheared shaft or other damage.  
8. Install replacement spring motor, pawls and pawl springs.  
NOTE: Pawl springs must be located between the pawls  
and the deepest section of the shaft grooves.  
Make sure that pawls and pawl springs are inserted flush  
with ends of shaft and hub or they may rub against  
inspection cover. See Fig 4, page 4.  
WARNING  
Do not attempt to relieve spring tension using spanner  
wrench. Doing so may result in personal injury.  
9. Tighten bolts securing spring housing to reel frame.  
CONTINUED ON BACK PAGE  
 
Always specify  
SERIAL NUMBER & MODEL NUMBER  
when ordering parts.  
TO DETERMINE ROTATION OF REEL  
STANDARD REVERSE  
ROTATION ROTATION  
Hose is played out and retracted as shown  
when viewing reel from spring motor side.  
7
1
13  
1
1
5
8
2
3
4
3
1
5
13  
3
2
3
6
4
1
3
4
15  
1
3
12  
11  
10  
12  
11  
20  
11  
10  
16  
17  
14  
11  
14  
18  
9
19  
14  
18  
19  
9
Reel Model Number Structure  
K 21 75 1 - 4 - 1  
REEL TYPE  
PRETENSION TURNS  
HOSE CODE  
4 =1/4" i.d. hose  
6 =3/8" i.d. hose  
8 =1/2" i.d. hose  
SPOOL DIAMETER  
SPRING MODEL  
QUANTITY SPRINGS  
 
10. Connect free end of hose to connections on machine or adjust  
hose stop so that desired length of hose extends from reel.  
PAWL  
SPRING HUB  
(Spring not  
shown)  
SPOOL  
SHAFT  
11. Tension spring with spanner wrench. Refer to INSTALLATION  
section.  
SPRING  
Install  
against flat  
SHAFT  
GROOVE  
END VIEW  
SIDE VIEW  
Figure 4  
12. Replace inspection cover.  
HOSE INSTALLATION  
HOSE REMOVAL  
Use the following procedure to remove worn or damaged hoses  
from reel prior to installation of new hoses.  
Use the following procedure to replace hoses or if reel was  
ordered without hoses. Refer to HOSE INSTALLATION  
REFERENCE DRAWING, below.  
1. Move machine serviced by reel to a position closest to  
reel. Spring will still be under pre-tension at this point.  
1. Unspool new hose from shipping spool and lay out to  
eliminate twist.  
2. Turn off supply pressure to reel.  
NOTE: This step is not essential, but will aid in winding  
operation of the reel and prolong hose life.  
3. Disconnect hoses from machine or other attachments.  
Remove hose stops, if installed, and allow hoses to  
retract onto spool. Ensure all tension is off spring by  
manually rotating spool (normally clockwise when  
viewed from spring side).  
2. Connect hoses to elbows inside spool wrapper.  
(See drawing below.)  
3. Wind the hose onto the reel spool by hand rotating  
spool in direction it turns free of spring tension.  
(Normally clockwise when viewed from spring side)  
4. Unwrap hoses without allowing spool to turn.  
5. Disconnect hoses from elbows inside spool wrapper.  
6. Install new hoses following directions below.  
4. Complete working end connections.  
5. Pretension reel and complete installation as  
described in REEL INSTALLATION section.  
HOSE INSTALLATION REFERENCE DRAWING  
STANDARD SPOOL ROTATION  
DIRECTION TO WIND HOSE WHEN  
VIEWED FROM FITTING SIDE  
REEL  
FRAME  
SPOOL  
DISK  
SPOOL  
DISK  
CONNECT  
SPOOLED  
HOSES  
SPRING  
MOTOR  
HOSE ON  
SPOOL  
HERE  
SWIVEL  
FITTING  
SUPPLY  
LINES  
SPOOL  
WRAPPER  
SECTIONS  
NOTE: SUPPLY  
MUST BE FLEXIBLE  
LINE. DO NOT HARD  
PLUMB.  
VIEW FROM FITTING SIDE  
MOUNTING  
BASE  
GLEASON REEL CORP.  
P.O. Box 26 • 600 South Clark St.  
Mayville, WI 53050–0026  
Phone 920–387–4120 • Fax 920–387–4189  
Printed in USA  
Bulletin No. 052762.b  
 

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