Grease Points; Controls; Hydrostatic Transmission; Drive Chain - MK Diamond Products MK-2013 HSP Owner's Manual

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grease points

There are four (4) grease points (zerk fittings) on the MK20 Series concrete saw.
The blade shaft bearing grease points need to be serviced at the end of operations on a daily basis. The rest of the grease points
require service on a weekly basis (see maintenance schedule).
The two blade shaft grease points are accessed from underneath by tilting the saw back. The raise/lower adjustment tube grease
point is accessed from the inside of tower control box. The transmission drive spline shaft bearings are accessed from the inside of
tower control box and by raising the front of the saw to access from underneath the frame. See parts lists for grease point locations.

controls

Stiff or sluggish response of controls must be corrected immediately. Periodically clean and lubricate the throttle cable, the throttle
and choke controls. The frequency of this maintenance will depend on the utilization rate and the amount of dust. After performing any
maintenance on controls, saw responsiveness must be checked before the initiation of sawing operations.

hydrostatic transmission

The hydrostatic transmission should not normally require maintenance. However, the hydraulic oil level in the reservoir and the cooling
fan blade must be checked frequently.

drive chain

Chain tension is adjusted by loosening the four transmission bracket mounting bolts and moving the transmission up or down as
required. All nuts must be retightened after each adjustment. Excessive tension on the drive chains will reduce chain life and should
be avoided. Periodically wipe the chain clean and relubricate with penetrating chain lubricant.
Caution
wheels. Perform daily checks of the drive chain. If any damage is noted the chain must be replaced.

friction drive wheels adjustment

If the friction drive wheels DO NOT engage the rear wheels with sufficient pressure, slippage of the rear wheels may occur. To correct
this situation, lengthen the engagement linkage by loosening the two (2) linkage adjustment bolts. Lengthen the linkage bars a small
amount and retighten the bolts.

neutral adjustment

If, due to transmission control cable or other component replacement, the transmission control system needs to be adjusted to obtain
NEUTRAL the following procedure must be followed:
1. Stop the engine and Place Drive Disengage Lever in Disengage position.
2. Remove the belt guard. Loosen the engine mounting bolts, remove the v-belts and slide the engine as far forward as possible
(approximately 2").
3. Loosen cable clamp on transmission control arm.
4. Place Transmission Speed Control lever in neutral.
5. Place the transmission in neutral by moving the transmission control arm back and forth while manually rotating the transmission
pulley. When the pulley spins freely and no movement of the drive chain is observed, the neutral position has been obtained.
6. Tighten the cable clamp.
7. Replace the v-belts and properly adjust v-belt tension by repositioning engine and tightening the mounting bolts.
8. Reinstall the belt guard.
12
B
reakage of the drive chain will result in the loss of braking friction through the drive
Revision 09/06, Effective Date September 18, 2006
MK-20 SERIES