Holland RK-07593 User manual

INSTALLATION INSTRUCTIONS FOR RK-07593
Kit Contents:
1 XA-V-06602 Idler gear
1 XA-V-06606 Spur gear
1 XA-V-07085 Idler shaft
1 XB-BAL-023-01 Ball
1 XB-SPG-020-02 Spring
6 XB-06372 Thread rolling screw
ITEM NO.
1-Drive shaft
2-Crank shaft
3 - Gearbox cover
4 - Thread rolling screw
5-Shift gear
6-Step gear
7-Idler gear
8-Idler gear shaft
9-Spur gear
10 - Ball
11 - Spring
12 - Shift lock bearing
13 - Pin
14 - Metal bushing
15 - Gearbox housing
FIGURE 1
(LOWSPEED RANGE SHOWN)
The following procedure should be used in conjunction with Holland Hitch Repair Kit RK-07593 for
the replacement of the idler gear (XA-V-06602) and spur gear (XA-V-06606) in the newMark V
gearboxassembly. Kit installation can be completed without removing the landing gear. You may
find, however, that repairs are done easier in a horizontal position.
GEARBOXDISMANTLING:
1. Makecertain that the gearbox is in the low speed range (push in on crankshaft for outside
mount).
2. Remove crank arm assembly from the crank shaft (2).
3. Remove all rust from the drive shaft (1) and crank shaft (2) and lubricate for easy removal of
gearbox cover (3).
4. Remove gearbox cover (3) by removing screws (4) and sliding gearbox cover away from main
leg assembly.
XL-LG339-01

NOTE: Avoid fast, jerky motion while sliding the gearbox cover off. This will help prevent the ball and
spring shift mechanism from dislodging from the shift lock bearing (12).
5. Make certain the gear is still in the low range position (see figure 1).
6. Remove step gear (6) from drive shaft (1).
7. Remove idler gear (7) from the idler gear shaft (8). Remove the idler gear shaft (8) and spur gear
(9).
NOTE: Corrosion may cause bonding between the idler gear shaft (8) and both the idler gear (7)
and spur gear (9). By first removing the step gear (6) there will be sufficient room to remove items
(7), (8), and (9) as one piece.
GEARBOX ASSEMBLY:
1. The gears and idler shaft must be coated with a permanent type grease in order to obtain success-
ful operation. Special care should be taken to assure that the inside bore of both gears is covered
with a light coating of grease (see figure 2).
2. Slide idler gear shaft (8) into the center
bushing (14) of the upper leg gearbox
housing (15). Slide spur gear (9) on idler
gear shaft (8).
3. If the ball (10) and spring (11) became
dislodged from the shift lockbearing (12)
during disassembly, the following steps
should be followed to reassemble.
A. Rotate and slide crank shaft (2) out
until the ball spring hole in the shaft
is adjacent to the bushing and orient-
ed with the hole in line with the cen-
ters of the other two shafts (1) and
(8). (See figure 3).
B. Insertspring (11) followed bythe ball
(10). Compress the ball and spring
using your thumb and attempt to
push the crank shaft (2) in with the
other hand, thus capturing the ball
and spring under the shift lock bear-
ing.
C. Push crank shaft (2) in until the
shifter gear is engaged in low gear.
4. Slide step gear (6) onto driveshaft (1).
Be sure that the pin (13) is seated in the
cut out portion of the step gear as shown
in figure 4.
5. Slide idler gear (7) onto idler shaft (8)
with the shoulder of gear to the inside.
6. Supplement gearboxwith additional
grease as required.
7. Replace gearbox cover (3) and assem-
ble with thread rolling screws (4).
FIGURE 2
FIGURE 3
FIGURE 4
6 - STEP GEAR