Bedknife Shoe Removal; Backlapping And Grinding; Transport Tires (Option) - Jacobsen PGM 22 InCommand Technical Manual

8 MAINTENANCE
8.5

BEDKNIFE SHOE REMOVAL ________________________________________________

1. To remove the shoe (E), loosen nut (A), and turn
nuts (B) counterclockwise 1/4 turn or more to bring
the bedknife into light contact with the reel blades.
2. Remove mounting hardware (D) from both sides of
the shoe.
3. Turn locknut (C) counterclockwise until the shoe
ends are relieved of all spring pressure.
4. Rotate shoe ends out from between spring cups (F)
and rod (G).
5. To replace bedknife shoe, place shoe ends between
spring cups and adjusting rod ends, rotate shoe into
position.
6. Align shoe mounting
reassemble hardware (D).
7. Adjust the reel-to-bedknife. Tighten all hardware.
8.6

BACKLAPPING AND GRINDING _____________________________________________

Check for damage to the bedknife and reel blades.
Refer to Section 7.2.
1. Determine if backlapping or grinding will restore the
proper cutting edge.
2. For optimum performance use a bedknife grinder to
touch-up the blade then reassemble and adjust the
reel-to-bedknife as described in Section 7.3.
3. Disengage reel clutch and tip machine back to rest
on the handle.
NOTICE
Do not leave the mower tipped back for an extended
length of time or oil may migrate into the combustion
chamber.
8.7

TRANSPORT TIRES (OPTION) _______________________________________________

1. Keep tire properly inflated to prolong tire life. Check
pressure only when the tires are cool.
2. Use an accurate, low pressure tire gauge.
6 - 8 psi - (0.413 - 0.551 BAR).
en-28
holes with frame and
D
4. Remove shaft cover and gasket from left side of
reel. Assemble a 3/8-24 bolt and locknut to the end
of the shaft, and attach to lapping machine.
a. Apply lapping compound with a long handle
brush along the entire length of the reel, (120
grit is recommended, Section 2.6).
b. Continue lapping, and at the same time make a
fine adjustment on the reel and bedknife until
there is a uniform clearance along the full length
of the cutting edges.
5. Carefully and thoroughly
compound from reel and bedknife before running
the reel in forward direction.
!
CAUTION
Unless you have the proper training, tools, and
experience, DO NOT attempt to mount a tire on a rim.
Improper mounting can produce an explosion that
may result in serious injury.
A
B
C
F
E
G
Figure 8B
remove all lapping