.
MAINTENANCE
MAINTENANCE PROCEDURE
CHECK AND TIGHTEN TRACK SHOE BOLTS
(Machine equipped with steel shoes, road liners)
If the machine is used with track shoe bolts (1) loose, they will break, so tighten any loose bolts immediately.
Method for further tightening of steel shoe
1. First tighten to a tightening torque of 118
±
19.6 N
·
m (12
±
2 kgf
·
m, 86.8
±
14.5 lbft) then check that the nut and shoe are in
close contact with the link contact surface.
2. After checking, tighten a further 90
° ±
10
°
.
Method for further tightening of road liner
Tighten to a tightening torque of 196
±
19.6 N
·
m (20
±
2 kgf
·
m,
144.7
±
14.5 lbft) then check that the nut and shoe are in close
contact with the link contact surface.
Order for tightening
Tighten the bolts in the order shown in the diagram on the right.
After tightening, check that the nut and shoe are in close contact
with the link mating surface.
4 - 26
Содержание PC78MR-6
Страница 2: ... 1 1 ...
Страница 4: ... FOREWORD FOREWORD 1 3 ...
Страница 5: ... FOREWORD FOREWORD 1 4 ...
Страница 15: ... ...
Страница 16: ... 2 1 ...
Страница 20: ... SAFETY SAFETY LABELS LOCATION OF SAFETY LABELS 2 5 ...
Страница 55: ... ...
Страница 56: ... 3 1 ...
Страница 195: ... ...
Страница 196: ... 4 1 ...
Страница 271: ... ...
Страница 272: ... 5 1 ...
Страница 275: ... ...
Страница 276: ... 6 1 ...
Страница 294: ... ...
Страница 295: ... PC78MR 6 GALEO HYDRAULIC EXCAVATOR Form No TEN00074 00 2005 KOMATSU All Right Reserved Printed in Japan 04 05 ...