Repair P 10 / 155. Remove guide plate by unscrewing 4 pcs. of countersunk head screws M5x12. See Fig. 17B.6. Bearing retainer 18 and gear section (ball bearings 6001LLB and 6202LLB, gear shaft, ring 15, gear completeand hex socket head bolt M10x18) are fastened with 4 pcs. of hex socket head bolts M5x10 from the shoe adjustinglever side of gear housing. Unscrew these hex socket head bolts M5x10. See Fig. 17B.7.Slightly hitting the edge of gear housing with plastic hammer , remove gear complete as illustrated in Fig. 17C.8. Holding the flat portion of gear shaft with a wrench, unscrew hex socket head bolt M10x18. Then, gear completecan be removed from gear shaft. See Fig. 17C.< Note > Use impact driver for loosening countersunk head screws M5x12, because it is difficult to loosenthem with hand due to the adhesive on countersunk head screws M5x12.< Note > Use impact driver for loosening hex socket head bolts M5x10, because it is difficult to loosenthem with hand due to the adhesive on hex socket head bolts M5x10.< Note > Use impact driver for loosening hex socket head bolts M18x18, because it is difficult to loosenthem with hand due to the adhesive on hex socket head bolts M10x18.Fig. 17B Fig. 17B Fig. 17CCountersunk headscrews M5x12Guide plateBottom view of gearhousingHex socket headbolts M5x10.Gear housingGear sectionBearing retainerWrench holding the flat portionof gear shaftGear shaftHex socket headbolt M10x18Gear completeFig. 17C