Hitachi ZX27U-2 Operator's Manual page 141

Change Gear Oil --- every 1000 hours
1. Park the machine on a level surface.
2. Rotate the travel motor until plugs are positioned as
illustrated on the right. Stop the engine.
3. Slowly loosen plug (1) to release pressure.
4. Remove drain plug (3) and plug (1) to drain oil.
5. After draining oil completely, clean plug (3). Wrap the
threads of plug (3) with sealing-type tape. Install plug
(3).
Tightening torque: 29 to 39 N⋅m
( 3 to 4 kgf⋅m, 21.5 to 29 lbf⋅ft ).
6. Supply oil through the thread hole for plug (1).
NOTE: Refer to the recommended oil and grease chart
on page 7-10 for the brand names of oils.
7. Remove plug (2). Add oil until oil flows out of the tread
hole for plug (2).
ZX27U , ZX30U , ZX35U
-2 -2
ZX40U , ZX50U
-2 -2
8. After cleaning plugs (1 and 2), wrap the threads of the
plugs with sealing-type tape. Reinstall the plugs.
Tightening torque: 29 to 39 N⋅m
( 3 to 4 kgf⋅m, 21.5 to 29 lbf⋅ft ).
MAINTENANCE
Oil Quantity
0.6 L (0.63 US qt)
-2
0.9 L (0.95 US qt)
7-21
1
2
3
M585-07-080