Kubota G21LD, G21HD Mower Repair Manual

Kubota Mower Model G21LD, G21HD

Table of Content of the Mower G21LD, G21HD Workshop Service Manual

This Workshop Manual has been prepared to provide servicing personnel with information on the mechanism, service and maintenance of G21LD and G21HD. It is divided into three parts, “General”, “Mechanism” and “Servicing”.

■ General
Information on the product identification, the general precautions, maintenance check list, check and maintenance and special tools are described.
■ Mechanism
Information on the construction and function are included. This part should be understood before proceeding with troubleshooting, disassembling and servicing.
Refer to Diesel Engine Mechanism Workshop Manual (Code No. 9Y021-01874) for the one which has not been described to this workshop manual.
■ Servicing G21LD, G21HD Mower

Information on the troubleshooting, servicing specification lists, tightening torque, checking and adjusting, disassembling and assembling, and servicing which cover procedures, precautions, factory specifications and allowable limits.

Manual Extract – Valve Lapping
1. Apply compound evenly to the valve lapping surface.
2. Insert the valve into the valve guide. Lap the valve onto its seat with a valve flapper or screwdriver.
3. After lapping the valve, wash the compound away and apply oil, then repeat valve lapping with oil.
4. Apply prussian blue to the contact surface to check the seated rate. If it is less than 70%, repeat valve lapping again.